Home / 310,236.24-428,166.12-174,270.22

Finding the Fourth Proportional to 310,236.24, 428,166.12 and 174,270.22

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Solution

The fourth proportional to 310,236.24, 428,166.12 and 174,270.22 is: 240,515.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,236.24 : 428,166.12 = 174,270.22 : x
  2. Step 2: Convert to fraction form
    310,236.24/428,166.12 = 174,270.22/x
  3. Step 3: Cross multiply
    310,236.24x = 428,166.12 × 174,270.22
  4. Step 4: Simplify right side
    310,236.24x = 74,616,603,928.95
  5. Step 5: Solve for x
    x = 74,616,603,928.95/310,236.24
  6. Step 6: Final answer
    x = 240,515.43

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Find fourth proportional to 310,237.24, 428,167.50 and 174,271.22
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.