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Finding the Fourth Proportional to 565,001.48, 847,503.60 and 138,539.18

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Solution

The fourth proportional to 565,001.48, 847,503.60 and 138,539.18 is: 207,809.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,001.48 : 847,503.60 = 138,539.18 : x
  2. Step 2: Convert to fraction form
    565,001.48/847,503.60 = 138,539.18/x
  3. Step 3: Cross multiply
    565,001.48x = 847,503.60 × 138,539.18
  4. Step 4: Simplify right side
    565,001.48x = 117,412,453,791.05
  5. Step 5: Solve for x
    x = 117,412,453,791.05/565,001.48
  6. Step 6: Final answer
    x = 207,809.11

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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.