Home / 651,271.20-976,906.80-178,004.40

Finding the Fourth Proportional to 651,271.20, 976,906.80 and 178,004.40

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Solution

The fourth proportional to 651,271.20, 976,906.80 and 178,004.40 is: 267,006.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,271.20 : 976,906.80 = 178,004.40 : x
  2. Step 2: Convert to fraction form
    651,271.20/976,906.80 = 178,004.40/x
  3. Step 3: Cross multiply
    651,271.20x = 976,906.80 × 178,004.40
  4. Step 4: Simplify right side
    651,271.20x = 173,893,708,789.92
  5. Step 5: Solve for x
    x = 173,893,708,789.92/651,271.20
  6. Step 6: Final answer
    x = 267,006.60

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Similar ratio
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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.