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Finding the Fourth Proportional to 491,534.40, 737,301.60 and 159,110.40

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Solution

The fourth proportional to 491,534.40, 737,301.60 and 159,110.40 is: 238,665.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,534.40 : 737,301.60 = 159,110.40 : x
  2. Step 2: Convert to fraction form
    491,534.40/737,301.60 = 159,110.40/x
  3. Step 3: Cross multiply
    491,534.40x = 737,301.60 × 159,110.40
  4. Step 4: Simplify right side
    491,534.40x = 117,312,352,496.64
  5. Step 5: Solve for x
    x = 117,312,352,496.64/491,534.40
  6. Step 6: Final answer
    x = 238,665.60

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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.