Home / 376,981.04-565,456.98-127,663.04

Finding the Fourth Proportional to 376,981.04, 565,456.98 and 127,663.04

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Solution

The fourth proportional to 376,981.04, 565,456.98 and 127,663.04 is: 191,489.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,981.04 : 565,456.98 = 127,663.04 : x
  2. Step 2: Convert to fraction form
    376,981.04/565,456.98 = 127,663.04/x
  3. Step 3: Cross multiply
    376,981.04x = 565,456.98 × 127,663.04
  4. Step 4: Simplify right side
    376,981.04x = 72,187,957,056.02
  5. Step 5: Solve for x
    x = 72,187,957,056.02/376,981.04
  6. Step 6: Final answer
    x = 191,489.62

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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.