Home / 310,571.15-428,578.26-174,610.85

Finding the Fourth Proportional to 310,571.15, 428,578.26 and 174,610.85

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Solution

The fourth proportional to 310,571.15, 428,578.26 and 174,610.85 is: 240,957.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,571.15 : 428,578.26 = 174,610.85 : x
  2. Step 2: Convert to fraction form
    310,571.15/428,578.26 = 174,610.85/x
  3. Step 3: Cross multiply
    310,571.15x = 428,578.26 × 174,610.85
  4. Step 4: Simplify right side
    310,571.15x = 74,834,414,270.12
  5. Step 5: Solve for x
    x = 74,834,414,270.12/310,571.15
  6. Step 6: Final answer
    x = 240,957.39

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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.