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Finding the Fourth Proportional to 376,864.65, 565,184.52 and 124,098.48

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Solution

The fourth proportional to 376,864.65, 565,184.52 and 124,098.48 is: 186,110.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,864.65 : 565,184.52 = 124,098.48 : x
  2. Step 2: Convert to fraction form
    376,864.65/565,184.52 = 124,098.48/x
  3. Step 3: Cross multiply
    376,864.65x = 565,184.52 × 124,098.48
  4. Step 4: Simplify right side
    376,864.65x = 70,138,539,851.53
  5. Step 5: Solve for x
    x = 70,138,539,851.53/376,864.65
  6. Step 6: Final answer
    x = 186,110.69

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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.