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Finding the Fourth Proportional to 348,173.92, 521,561.04 and 181,612

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Solution

The fourth proportional to 348,173.92, 521,561.04 and 181,612 is: 272,052.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,173.92 : 521,561.04 = 181,612 : x
  2. Step 2: Convert to fraction form
    348,173.92/521,561.04 = 181,612/x
  3. Step 3: Cross multiply
    348,173.92x = 521,561.04 × 181,612
  4. Step 4: Simplify right side
    348,173.92x = 94,721,743,596.48
  5. Step 5: Solve for x
    x = 94,721,743,596.48/348,173.92
  6. Step 6: Final answer
    x = 272,052.95

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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.