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Finding the Fourth Proportional to 539,573.40, 808,712.10 and 223,867.80

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Solution

The fourth proportional to 539,573.40, 808,712.10 and 223,867.80 is: 335,532.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,573.40 : 808,712.10 = 223,867.80 : x
  2. Step 2: Convert to fraction form
    539,573.40/808,712.10 = 223,867.80/x
  3. Step 3: Cross multiply
    539,573.40x = 808,712.10 × 223,867.80
  4. Step 4: Simplify right side
    539,573.40x = 181,044,598,660.38
  5. Step 5: Solve for x
    x = 181,044,598,660.38/539,573.40
  6. Step 6: Final answer
    x = 335,532.85

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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.