Home / 384,863.13-577,379.75-132,137.87

Finding the Fourth Proportional to 384,863.13, 577,379.75 and 132,137.87

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Solution

The fourth proportional to 384,863.13, 577,379.75 and 132,137.87 is: 198,236.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,863.13 : 577,379.75 = 132,137.87 : x
  2. Step 2: Convert to fraction form
    384,863.13/577,379.75 = 132,137.87/x
  3. Step 3: Cross multiply
    384,863.13x = 577,379.75 × 132,137.87
  4. Step 4: Simplify right side
    384,863.13x = 76,293,726,798.54
  5. Step 5: Solve for x
    x = 76,293,726,798.54/384,863.13
  6. Step 6: Final answer
    x = 198,236.00

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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.