Home / 386,151.02-579,323.01-272,520.70

Finding the Fourth Proportional to 386,151.02, 579,323.01 and 272,520.70

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Solution

The fourth proportional to 386,151.02, 579,323.01 and 272,520.70 is: 408,849.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,151.02 : 579,323.01 = 272,520.70 : x
  2. Step 2: Convert to fraction form
    386,151.02/579,323.01 = 272,520.70/x
  3. Step 3: Cross multiply
    386,151.02x = 579,323.01 × 272,520.70
  4. Step 4: Simplify right side
    386,151.02x = 157,877,510,252.02
  5. Step 5: Solve for x
    x = 157,877,510,252.02/386,151.02
  6. Step 6: Final answer
    x = 408,849.13

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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.