Home / 578,049.98-867,158.05-178,721.89

Finding the Fourth Proportional to 578,049.98, 867,158.05 and 178,721.89

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Solution

The fourth proportional to 578,049.98, 867,158.05 and 178,721.89 is: 268,108.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,049.98 : 867,158.05 = 178,721.89 : x
  2. Step 2: Convert to fraction form
    578,049.98/867,158.05 = 178,721.89/x
  3. Step 3: Cross multiply
    578,049.98x = 867,158.05 × 178,721.89
  4. Step 4: Simplify right side
    578,049.98x = 154,980,126,932.06
  5. Step 5: Solve for x
    x = 154,980,126,932.06/578,049.98
  6. Step 6: Final answer
    x = 268,108.52

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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.