Home / 228,045.10-342,164.85-143,869.90

Finding the Fourth Proportional to 228,045.10, 342,164.85 and 143,869.90

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Solution

The fourth proportional to 228,045.10, 342,164.85 and 143,869.90 is: 215,866.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,045.10 : 342,164.85 = 143,869.90 : x
  2. Step 2: Convert to fraction form
    228,045.10/342,164.85 = 143,869.90/x
  3. Step 3: Cross multiply
    228,045.10x = 342,164.85 × 143,869.90
  4. Step 4: Simplify right side
    228,045.10x = 49,227,222,753.02
  5. Step 5: Solve for x
    x = 49,227,222,753.02/228,045.10
  6. Step 6: Final answer
    x = 215,866.17

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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.