Home / 402,811.52-604,266.51-136,648.18

Finding the Fourth Proportional to 402,811.52, 604,266.51 and 136,648.18

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Solution

The fourth proportional to 402,811.52, 604,266.51 and 136,648.18 is: 204,988.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,811.52 : 604,266.51 = 136,648.18 : x
  2. Step 2: Convert to fraction form
    402,811.52/604,266.51 = 136,648.18/x
  3. Step 3: Cross multiply
    402,811.52x = 604,266.51 × 136,648.18
  4. Step 4: Simplify right side
    402,811.52x = 82,571,915,805.12
  5. Step 5: Solve for x
    x = 82,571,915,805.12/402,811.52
  6. Step 6: Final answer
    x = 204,988.96

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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.