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Finding the Fourth Proportional to 491,434.40, 737,151.60 and 159,010.40

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Solution

The fourth proportional to 491,434.40, 737,151.60 and 159,010.40 is: 238,515.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,434.40 : 737,151.60 = 159,010.40 : x
  2. Step 2: Convert to fraction form
    491,434.40/737,151.60 = 159,010.40/x
  3. Step 3: Cross multiply
    491,434.40x = 737,151.60 × 159,010.40
  4. Step 4: Simplify right side
    491,434.40x = 117,214,770,776.64
  5. Step 5: Solve for x
    x = 117,214,770,776.64/491,434.40
  6. Step 6: Final answer
    x = 238,515.60

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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.