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Finding the Fourth Proportional to 375,939.84, 563,723.12 and 119,739

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Solution

The fourth proportional to 375,939.84, 563,723.12 and 119,739 is: 179,549.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,939.84 : 563,723.12 = 119,739 : x
  2. Step 2: Convert to fraction form
    375,939.84/563,723.12 = 119,739/x
  3. Step 3: Cross multiply
    375,939.84x = 563,723.12 × 119,739
  4. Step 4: Simplify right side
    375,939.84x = 67,499,642,665.68
  5. Step 5: Solve for x
    x = 67,499,642,665.68/375,939.84
  6. Step 6: Final answer
    x = 179,549.05

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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.