Home / 376,306.04-519,275.22-215,167.88

Finding the Fourth Proportional to 376,306.04, 519,275.22 and 215,167.88

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Solution

The fourth proportional to 376,306.04, 519,275.22 and 215,167.88 is: 296,916.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,306.04 : 519,275.22 = 215,167.88 : x
  2. Step 2: Convert to fraction form
    376,306.04/519,275.22 = 215,167.88/x
  3. Step 3: Cross multiply
    376,306.04x = 519,275.22 × 215,167.88
  4. Step 4: Simplify right side
    376,306.04x = 111,731,348,223.93
  5. Step 5: Solve for x
    x = 111,731,348,223.93/376,306.04
  6. Step 6: Final answer
    x = 296,916.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.