Home / 402,724.55-604,045.24-136,478.18

Finding the Fourth Proportional to 402,724.55, 604,045.24 and 136,478.18

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Solution

The fourth proportional to 402,724.55, 604,045.24 and 136,478.18 is: 204,703.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,724.55 : 604,045.24 = 136,478.18 : x
  2. Step 2: Convert to fraction form
    402,724.55/604,045.24 = 136,478.18/x
  3. Step 3: Cross multiply
    402,724.55x = 604,045.24 × 136,478.18
  4. Step 4: Simplify right side
    402,724.55x = 82,438,994,992.86
  5. Step 5: Solve for x
    x = 82,438,994,992.86/402,724.55
  6. Step 6: Final answer
    x = 204,703.18

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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.