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Finding the Fourth Proportional to 373,168.16, 514,972.16 and 203,402.24

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Solution

The fourth proportional to 373,168.16, 514,972.16 and 203,402.24 is: 280,695.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,168.16 : 514,972.16 = 203,402.24 : x
  2. Step 2: Convert to fraction form
    373,168.16/514,972.16 = 203,402.24/x
  3. Step 3: Cross multiply
    373,168.16x = 514,972.16 × 203,402.24
  4. Step 4: Simplify right side
    373,168.16x = 104,746,490,881.64
  5. Step 5: Solve for x
    x = 104,746,490,881.64/373,168.16
  6. Step 6: Final answer
    x = 280,695.15

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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.