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Finding the Fourth Proportional to 663,572.50, 995,355.67 and 208,197.07

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Solution

The fourth proportional to 663,572.50, 995,355.67 and 208,197.07 is: 312,294.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,572.50 : 995,355.67 = 208,197.07 : x
  2. Step 2: Convert to fraction form
    663,572.50/995,355.67 = 208,197.07/x
  3. Step 3: Cross multiply
    663,572.50x = 995,355.67 × 208,197.07
  4. Step 4: Simplify right side
    663,572.50x = 207,230,128,084.12
  5. Step 5: Solve for x
    x = 207,230,128,084.12/663,572.50
  6. Step 6: Final answer
    x = 312,294.63

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Similar ratio
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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.