Home / 343,282.52-514,853.39-129,976.83

Finding the Fourth Proportional to 343,282.52, 514,853.39 and 129,976.83

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Solution

The fourth proportional to 343,282.52, 514,853.39 and 129,976.83 is: 194,938.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,282.52 : 514,853.39 = 129,976.83 : x
  2. Step 2: Convert to fraction form
    343,282.52/514,853.39 = 129,976.83/x
  3. Step 3: Cross multiply
    343,282.52x = 514,853.39 × 129,976.83
  4. Step 4: Simplify right side
    343,282.52x = 66,919,012,827.77
  5. Step 5: Solve for x
    x = 66,919,012,827.77/343,282.52
  6. Step 6: Final answer
    x = 194,938.60

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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.