Home / 402,726.06-604,047.50-136,479.68

Finding the Fourth Proportional to 402,726.06, 604,047.50 and 136,479.68

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Solution

The fourth proportional to 402,726.06, 604,047.50 and 136,479.68 is: 204,705.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,726.06 : 604,047.50 = 136,479.68 : x
  2. Step 2: Convert to fraction form
    402,726.06/604,047.50 = 136,479.68/x
  3. Step 3: Cross multiply
    402,726.06x = 604,047.50 × 136,479.68
  4. Step 4: Simplify right side
    402,726.06x = 82,440,209,504.80
  5. Step 5: Solve for x
    x = 82,440,209,504.80/402,726.06
  6. Step 6: Final answer
    x = 204,705.43

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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.