Home / 386,366.20-579,576.97-102,053.91

Finding the Fourth Proportional to 386,366.20, 579,576.97 and 102,053.91

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Solution

The fourth proportional to 386,366.20, 579,576.97 and 102,053.91 is: 153,088.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,366.20 : 579,576.97 = 102,053.91 : x
  2. Step 2: Convert to fraction form
    386,366.20/579,576.97 = 102,053.91/x
  3. Step 3: Cross multiply
    386,366.20x = 579,576.97 × 102,053.91
  4. Step 4: Simplify right side
    386,366.20x = 59,148,095,934.45
  5. Step 5: Solve for x
    x = 59,148,095,934.45/386,366.20
  6. Step 6: Final answer
    x = 153,088.17

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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.