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Finding the Fourth Proportional to 491,501.40, 737,252.10 and 159,077.40

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Solution

The fourth proportional to 491,501.40, 737,252.10 and 159,077.40 is: 238,616.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,501.40 : 737,252.10 = 159,077.40 : x
  2. Step 2: Convert to fraction form
    491,501.40/737,252.10 = 159,077.40/x
  3. Step 3: Cross multiply
    491,501.40x = 737,252.10 × 159,077.40
  4. Step 4: Simplify right side
    491,501.40x = 117,280,147,212.54
  5. Step 5: Solve for x
    x = 117,280,147,212.54/491,501.40
  6. Step 6: Final answer
    x = 238,616.10

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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.