Home / 378,143.43-565,910.02-233,990.16

Finding the Fourth Proportional to 378,143.43, 565,910.02 and 233,990.16

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Solution

The fourth proportional to 378,143.43, 565,910.02 and 233,990.16 is: 350,177.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,143.43 : 565,910.02 = 233,990.16 : x
  2. Step 2: Convert to fraction form
    378,143.43/565,910.02 = 233,990.16/x
  3. Step 3: Cross multiply
    378,143.43x = 565,910.02 × 233,990.16
  4. Step 4: Simplify right side
    378,143.43x = 132,417,376,125.40
  5. Step 5: Solve for x
    x = 132,417,376,125.40/378,143.43
  6. Step 6: Final answer
    x = 350,177.65

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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.