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Finding the Fourth Proportional to 539,167.80, 808,460.10 and 223,656.60

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Solution

The fourth proportional to 539,167.80, 808,460.10 and 223,656.60 is: 335,363.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,167.80 : 808,460.10 = 223,656.60 : x
  2. Step 2: Convert to fraction form
    539,167.80/808,460.10 = 223,656.60/x
  3. Step 3: Cross multiply
    539,167.80x = 808,460.10 × 223,656.60
  4. Step 4: Simplify right side
    539,167.80x = 180,817,437,201.66
  5. Step 5: Solve for x
    x = 180,817,437,201.66/539,167.80
  6. Step 6: Final answer
    x = 335,363.94

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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.