Home / 410,566.11-615,782.17-144,264.43

Finding the Fourth Proportional to 410,566.11, 615,782.17 and 144,264.43

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Solution

The fourth proportional to 410,566.11, 615,782.17 and 144,264.43 is: 216,373.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,566.11 : 615,782.17 = 144,264.43 : x
  2. Step 2: Convert to fraction form
    410,566.11/615,782.17 = 144,264.43/x
  3. Step 3: Cross multiply
    410,566.11x = 615,782.17 × 144,264.43
  4. Step 4: Simplify right side
    410,566.11x = 88,835,463,759.21
  5. Step 5: Solve for x
    x = 88,835,463,759.21/410,566.11
  6. Step 6: Final answer
    x = 216,373.10

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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.