Home / 310,131.45-427,948.11-174,180.24

Finding the Fourth Proportional to 310,131.45, 427,948.11 and 174,180.24

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Solution

The fourth proportional to 310,131.45, 427,948.11 and 174,180.24 is: 240,350.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,131.45 : 427,948.11 = 174,180.24 : x
  2. Step 2: Convert to fraction form
    310,131.45/427,948.11 = 174,180.24/x
  3. Step 3: Cross multiply
    310,131.45x = 427,948.11 × 174,180.24
  4. Step 4: Simplify right side
    310,131.45x = 74,540,104,507.35
  5. Step 5: Solve for x
    x = 74,540,104,507.35/310,131.45
  6. Step 6: Final answer
    x = 240,350.03

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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.