Home / 393,230.16-542,716.02-240,356.52

Finding the Fourth Proportional to 393,230.16, 542,716.02 and 240,356.52

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Solution

The fourth proportional to 393,230.16, 542,716.02 and 240,356.52 is: 331,727.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,230.16 : 542,716.02 = 240,356.52 : x
  2. Step 2: Convert to fraction form
    393,230.16/542,716.02 = 240,356.52/x
  3. Step 3: Cross multiply
    393,230.16x = 542,716.02 × 240,356.52
  4. Step 4: Simplify right side
    393,230.16x = 130,445,333,915.45
  5. Step 5: Solve for x
    x = 130,445,333,915.45/393,230.16
  6. Step 6: Final answer
    x = 331,727.69

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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.