Home / 651,132.20-976,406.70-251,640.20

Finding the Fourth Proportional to 651,132.20, 976,406.70 and 251,640.20

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Solution

The fourth proportional to 651,132.20, 976,406.70 and 251,640.20 is: 377,347.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,132.20 : 976,406.70 = 251,640.20 : x
  2. Step 2: Convert to fraction form
    651,132.20/976,406.70 = 251,640.20/x
  3. Step 3: Cross multiply
    651,132.20x = 976,406.70 × 251,640.20
  4. Step 4: Simplify right side
    651,132.20x = 245,703,177,269.34
  5. Step 5: Solve for x
    x = 245,703,177,269.34/651,132.20
  6. Step 6: Final answer
    x = 377,347.61

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Double scale
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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.