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Finding the Fourth Proportional to 539,002.61, 808,642.44 and 202,047.87

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Solution

The fourth proportional to 539,002.61, 808,642.44 and 202,047.87 is: 303,123.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,002.61 : 808,642.44 = 202,047.87 : x
  2. Step 2: Convert to fraction form
    539,002.61/808,642.44 = 202,047.87/x
  3. Step 3: Cross multiply
    539,002.61x = 808,642.44 × 202,047.87
  4. Step 4: Simplify right side
    539,002.61x = 163,384,482,593.60
  5. Step 5: Solve for x
    x = 163,384,482,593.60/539,002.61
  6. Step 6: Final answer
    x = 303,123.73

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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.