Home / 612,614.36-918,979.17-180,332.11

Finding the Fourth Proportional to 612,614.36, 918,979.17 and 180,332.11

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Solution

The fourth proportional to 612,614.36, 918,979.17 and 180,332.11 is: 270,515.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,614.36 : 918,979.17 = 180,332.11 : x
  2. Step 2: Convert to fraction form
    612,614.36/918,979.17 = 180,332.11/x
  3. Step 3: Cross multiply
    612,614.36x = 918,979.17 × 180,332.11
  4. Step 4: Simplify right side
    612,614.36x = 165,721,450,474.70
  5. Step 5: Solve for x
    x = 165,721,450,474.70/612,614.36
  6. Step 6: Final answer
    x = 270,515.12

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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.