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Finding the Fourth Proportional to 385,577.82, 532,100.07 and 224,526.78

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Solution

The fourth proportional to 385,577.82, 532,100.07 and 224,526.78 is: 309,848.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,577.82 : 532,100.07 = 224,526.78 : x
  2. Step 2: Convert to fraction form
    385,577.82/532,100.07 = 224,526.78/x
  3. Step 3: Cross multiply
    385,577.82x = 532,100.07 × 224,526.78
  4. Step 4: Simplify right side
    385,577.82x = 119,470,715,354.88
  5. Step 5: Solve for x
    x = 119,470,715,354.88/385,577.82
  6. Step 6: Final answer
    x = 309,848.52

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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.