Home / 386,786.16-580,037.49-134,001.36

Finding the Fourth Proportional to 386,786.16, 580,037.49 and 134,001.36

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Solution

The fourth proportional to 386,786.16, 580,037.49 and 134,001.36 is: 200,952.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,786.16 : 580,037.49 = 134,001.36 : x
  2. Step 2: Convert to fraction form
    386,786.16/580,037.49 = 134,001.36/x
  3. Step 3: Cross multiply
    386,786.16x = 580,037.49 × 134,001.36
  4. Step 4: Simplify right side
    386,786.16x = 77,725,812,510.99
  5. Step 5: Solve for x
    x = 77,725,812,510.99/386,786.16
  6. Step 6: Final answer
    x = 200,952.93

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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.