Home / 369,979.41-554,744.39-145,070.39

Finding the Fourth Proportional to 369,979.41, 554,744.39 and 145,070.39

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Solution

The fourth proportional to 369,979.41, 554,744.39 and 145,070.39 is: 217,517.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,979.41 : 554,744.39 = 145,070.39 : x
  2. Step 2: Convert to fraction form
    369,979.41/554,744.39 = 145,070.39/x
  3. Step 3: Cross multiply
    369,979.41x = 554,744.39 × 145,070.39
  4. Step 4: Simplify right side
    369,979.41x = 80,476,981,508.54
  5. Step 5: Solve for x
    x = 80,476,981,508.54/369,979.41
  6. Step 6: Final answer
    x = 217,517.46

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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.