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Finding the Fourth Proportional to 539,008.40, 808,609.80 and 223,497.20

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Solution

The fourth proportional to 539,008.40, 808,609.80 and 223,497.20 is: 335,286.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,008.40 : 808,609.80 = 223,497.20 : x
  2. Step 2: Convert to fraction form
    539,008.40/808,609.80 = 223,497.20/x
  3. Step 3: Cross multiply
    539,008.40x = 808,609.80 × 223,497.20
  4. Step 4: Simplify right side
    539,008.40x = 180,722,026,192.56
  5. Step 5: Solve for x
    x = 180,722,026,192.56/539,008.40
  6. Step 6: Final answer
    x = 335,286.10

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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.