Home / 353,207.81-487,429.31-192,061.70

Finding the Fourth Proportional to 353,207.81, 487,429.31 and 192,061.70

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Solution

The fourth proportional to 353,207.81, 487,429.31 and 192,061.70 is: 265,046.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,207.81 : 487,429.31 = 192,061.70 : x
  2. Step 2: Convert to fraction form
    353,207.81/487,429.31 = 192,061.70/x
  3. Step 3: Cross multiply
    353,207.81x = 487,429.31 × 192,061.70
  4. Step 4: Simplify right side
    353,207.81x = 93,616,498,510.97
  5. Step 5: Solve for x
    x = 93,616,498,510.97/353,207.81
  6. Step 6: Final answer
    x = 265,046.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.