Home / 376,405.29-563,869.80-218,301.66

Finding the Fourth Proportional to 376,405.29, 563,869.80 and 218,301.66

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Solution

The fourth proportional to 376,405.29, 563,869.80 and 218,301.66 is: 327,024.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,405.29 : 563,869.80 = 218,301.66 : x
  2. Step 2: Convert to fraction form
    376,405.29/563,869.80 = 218,301.66/x
  3. Step 3: Cross multiply
    376,405.29x = 563,869.80 × 218,301.66
  4. Step 4: Simplify right side
    376,405.29x = 123,093,713,363.87
  5. Step 5: Solve for x
    x = 123,093,713,363.87/376,405.29
  6. Step 6: Final answer
    x = 327,024.40

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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.