Home / 412,188.20-618,324.06-142,281.16

Finding the Fourth Proportional to 412,188.20, 618,324.06 and 142,281.16

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Solution

The fourth proportional to 412,188.20, 618,324.06 and 142,281.16 is: 213,436.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,188.20 : 618,324.06 = 142,281.16 : x
  2. Step 2: Convert to fraction form
    412,188.20/618,324.06 = 142,281.16/x
  3. Step 3: Cross multiply
    412,188.20x = 618,324.06 × 142,281.16
  4. Step 4: Simplify right side
    412,188.20x = 87,975,864,512.71
  5. Step 5: Solve for x
    x = 87,975,864,512.71/412,188.20
  6. Step 6: Final answer
    x = 213,436.15

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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.