Home / 229,520.32-344,280.21-79,760.62

Finding the Fourth Proportional to 229,520.32, 344,280.21 and 79,760.62

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Solution

The fourth proportional to 229,520.32, 344,280.21 and 79,760.62 is: 119,640.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,520.32 : 344,280.21 = 79,760.62 : x
  2. Step 2: Convert to fraction form
    229,520.32/344,280.21 = 79,760.62/x
  3. Step 3: Cross multiply
    229,520.32x = 344,280.21 × 79,760.62
  4. Step 4: Simplify right side
    229,520.32x = 27,460,002,142.63
  5. Step 5: Solve for x
    x = 27,460,002,142.63/229,520.32
  6. Step 6: Final answer
    x = 119,640.83

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1.5x scale

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.