Home / 430,192.64-644,401.20-252,159.04

Finding the Fourth Proportional to 430,192.64, 644,401.20 and 252,159.04

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Solution

The fourth proportional to 430,192.64, 644,401.20 and 252,159.04 is: 377,718.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,192.64 : 644,401.20 = 252,159.04 : x
  2. Step 2: Convert to fraction form
    430,192.64/644,401.20 = 252,159.04/x
  3. Step 3: Cross multiply
    430,192.64x = 644,401.20 × 252,159.04
  4. Step 4: Simplify right side
    430,192.64x = 162,491,587,966.85
  5. Step 5: Solve for x
    x = 162,491,587,966.85/430,192.64
  6. Step 6: Final answer
    x = 377,718.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.