Home / 412,345.26-618,585.12-146,048.04

Finding the Fourth Proportional to 412,345.26, 618,585.12 and 146,048.04

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Solution

The fourth proportional to 412,345.26, 618,585.12 and 146,048.04 is: 219,095.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,345.26 : 618,585.12 = 146,048.04 : x
  2. Step 2: Convert to fraction form
    412,345.26/618,585.12 = 146,048.04/x
  3. Step 3: Cross multiply
    412,345.26x = 618,585.12 × 146,048.04
  4. Step 4: Simplify right side
    412,345.26x = 90,343,144,349.16
  5. Step 5: Solve for x
    x = 90,343,144,349.16/412,345.26
  6. Step 6: Final answer
    x = 219,095.87

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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.