Home / 820,178.06-1,230,159.00-243,789.04

Finding the Fourth Proportional to 820,178.06, 1,230,159.00 and 243,789.04

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Solution

The fourth proportional to 820,178.06, 1,230,159.00 and 243,789.04 is: 365,651.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,178.06 : 1,230,159.00 = 243,789.04 : x
  2. Step 2: Convert to fraction form
    820,178.06/1,230,159.00 = 243,789.04/x
  3. Step 3: Cross multiply
    820,178.06x = 1,230,159.00 × 243,789.04
  4. Step 4: Simplify right side
    820,178.06x = 299,899,282,737.95
  5. Step 5: Solve for x
    x = 299,899,282,737.95/820,178.06
  6. Step 6: Final answer
    x = 365,651.43

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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.