Home / 312,727.95-431,553.02-169,484.92

Finding the Fourth Proportional to 312,727.95, 431,553.02 and 169,484.92

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Solution

The fourth proportional to 312,727.95, 431,553.02 and 169,484.92 is: 233,882.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,727.95 : 431,553.02 = 169,484.92 : x
  2. Step 2: Convert to fraction form
    312,727.95/431,553.02 = 169,484.92/x
  3. Step 3: Cross multiply
    312,727.95x = 431,553.02 × 169,484.92
  4. Step 4: Simplify right side
    312,727.95x = 73,141,727,144.15
  5. Step 5: Solve for x
    x = 73,141,727,144.15/312,727.95
  6. Step 6: Final answer
    x = 233,882.92

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1.5x scale

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.