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Finding the Fourth Proportional to 406,336.89, 560,750.75 and 234,251.58

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Solution

The fourth proportional to 406,336.89, 560,750.75 and 234,251.58 is: 323,270.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,336.89 : 560,750.75 = 234,251.58 : x
  2. Step 2: Convert to fraction form
    406,336.89/560,750.75 = 234,251.58/x
  3. Step 3: Cross multiply
    406,336.89x = 560,750.75 × 234,251.58
  4. Step 4: Simplify right side
    406,336.89x = 131,356,749,173.69
  5. Step 5: Solve for x
    x = 131,356,749,173.69/406,336.89
  6. Step 6: Final answer
    x = 323,270.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.