Home / 369,760.13-554,701.52-129,811.76

Finding the Fourth Proportional to 369,760.13, 554,701.52 and 129,811.76

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Solution

The fourth proportional to 369,760.13, 554,701.52 and 129,811.76 is: 194,739.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,760.13 : 554,701.52 = 129,811.76 : x
  2. Step 2: Convert to fraction form
    369,760.13/554,701.52 = 129,811.76/x
  3. Step 3: Cross multiply
    369,760.13x = 554,701.52 × 129,811.76
  4. Step 4: Simplify right side
    369,760.13x = 72,006,781,323.57
  5. Step 5: Solve for x
    x = 72,006,781,323.57/369,760.13
  6. Step 6: Final answer
    x = 194,739.17

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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.