Home / 376,623.64-564,885.18-139,934.20

Finding the Fourth Proportional to 376,623.64, 564,885.18 and 139,934.20

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Solution

The fourth proportional to 376,623.64, 564,885.18 and 139,934.20 is: 209,882.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,623.64 : 564,885.18 = 139,934.20 : x
  2. Step 2: Convert to fraction form
    376,623.64/564,885.18 = 139,934.20/x
  3. Step 3: Cross multiply
    376,623.64x = 564,885.18 × 139,934.20
  4. Step 4: Simplify right side
    376,623.64x = 79,046,755,755.16
  5. Step 5: Solve for x
    x = 79,046,755,755.16/376,623.64
  6. Step 6: Final answer
    x = 209,882.62

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1.5x scale

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.