Home / 376,298.12-563,581.26-218,136.20

Finding the Fourth Proportional to 376,298.12, 563,581.26 and 218,136.20

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Solution

The fourth proportional to 376,298.12, 563,581.26 and 218,136.20 is: 326,702.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,298.12 : 563,581.26 = 218,136.20 : x
  2. Step 2: Convert to fraction form
    376,298.12/563,581.26 = 218,136.20/x
  3. Step 3: Cross multiply
    376,298.12x = 563,581.26 × 218,136.20
  4. Step 4: Simplify right side
    376,298.12x = 122,937,474,447.61
  5. Step 5: Solve for x
    x = 122,937,474,447.61/376,298.12
  6. Step 6: Final answer
    x = 326,702.33

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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.