Home / 578,023.46-867,118.25-178,695.38

Finding the Fourth Proportional to 578,023.46, 867,118.25 and 178,695.38

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Solution

The fourth proportional to 578,023.46, 867,118.25 and 178,695.38 is: 268,068.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,023.46 : 867,118.25 = 178,695.38 : x
  2. Step 2: Convert to fraction form
    578,023.46/867,118.25 = 178,695.38/x
  3. Step 3: Cross multiply
    578,023.46x = 867,118.25 × 178,695.38
  4. Step 4: Simplify right side
    578,023.46x = 154,950,019,959.62
  5. Step 5: Solve for x
    x = 154,950,019,959.62/578,023.46
  6. Step 6: Final answer
    x = 268,068.74

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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.