Home / 226,240.76-312,177.48-130,728.92

Finding the Fourth Proportional to 226,240.76, 312,177.48 and 130,728.92

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Solution

The fourth proportional to 226,240.76, 312,177.48 and 130,728.92 is: 180,385.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,240.76 : 312,177.48 = 130,728.92 : x
  2. Step 2: Convert to fraction form
    226,240.76/312,177.48 = 130,728.92/x
  3. Step 3: Cross multiply
    226,240.76x = 312,177.48 × 130,728.92
  4. Step 4: Simplify right side
    226,240.76x = 40,810,624,808.72
  5. Step 5: Solve for x
    x = 40,810,624,808.72/226,240.76
  6. Step 6: Final answer
    x = 180,385.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.