Home / 389,517.93-584,341.46-136,732.83

Finding the Fourth Proportional to 389,517.93, 584,341.46 and 136,732.83

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Solution

The fourth proportional to 389,517.93, 584,341.46 and 136,732.83 is: 205,121.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,517.93 : 584,341.46 = 136,732.83 : x
  2. Step 2: Convert to fraction form
    389,517.93/584,341.46 = 136,732.83/x
  3. Step 3: Cross multiply
    389,517.93x = 584,341.46 × 136,732.83
  4. Step 4: Simplify right side
    389,517.93x = 79,898,660,828.47
  5. Step 5: Solve for x
    x = 79,898,660,828.47/389,517.93
  6. Step 6: Final answer
    x = 205,121.91

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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.