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Finding the Fourth Proportional to 608,407.47, 912,541.48 and 159,171.69

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Solution

The fourth proportional to 608,407.47, 912,541.48 and 159,171.69 is: 238,739.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,407.47 : 912,541.48 = 159,171.69 : x
  2. Step 2: Convert to fraction form
    608,407.47/912,541.48 = 159,171.69/x
  3. Step 3: Cross multiply
    608,407.47x = 912,541.48 × 159,171.69
  4. Step 4: Simplify right side
    608,407.47x = 145,250,769,168.77
  5. Step 5: Solve for x
    x = 145,250,769,168.77/608,407.47
  6. Step 6: Final answer
    x = 238,739.29

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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.