Home / 291,636.24-402,457.92-157,500.24

Finding the Fourth Proportional to 291,636.24, 402,457.92 and 157,500.24

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Solution

The fourth proportional to 291,636.24, 402,457.92 and 157,500.24 is: 217,350.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,636.24 : 402,457.92 = 157,500.24 : x
  2. Step 2: Convert to fraction form
    291,636.24/402,457.92 = 157,500.24/x
  3. Step 3: Cross multiply
    291,636.24x = 402,457.92 × 157,500.24
  4. Step 4: Simplify right side
    291,636.24x = 63,387,218,989.90
  5. Step 5: Solve for x
    x = 63,387,218,989.90/291,636.24
  6. Step 6: Final answer
    x = 217,350.28

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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.