Home / 422,280.18-633,309.54-156,116.82

Finding the Fourth Proportional to 422,280.18, 633,309.54 and 156,116.82

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Solution

The fourth proportional to 422,280.18, 633,309.54 and 156,116.82 is: 234,134.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,280.18 : 633,309.54 = 156,116.82 : x
  2. Step 2: Convert to fraction form
    422,280.18/633,309.54 = 156,116.82/x
  3. Step 3: Cross multiply
    422,280.18x = 633,309.54 × 156,116.82
  4. Step 4: Simplify right side
    422,280.18x = 98,870,271,460.46
  5. Step 5: Solve for x
    x = 98,870,271,460.46/422,280.18
  6. Step 6: Final answer
    x = 234,134.29

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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.