Home / 226,382.76-312,222.81-140,281.92

Finding the Fourth Proportional to 226,382.76, 312,222.81 and 140,281.92

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Solution

The fourth proportional to 226,382.76, 312,222.81 and 140,281.92 is: 193,474.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,382.76 : 312,222.81 = 140,281.92 : x
  2. Step 2: Convert to fraction form
    226,382.76/312,222.81 = 140,281.92/x
  3. Step 3: Cross multiply
    226,382.76x = 312,222.81 × 140,281.92
  4. Step 4: Simplify right side
    226,382.76x = 43,799,215,254.60
  5. Step 5: Solve for x
    x = 43,799,215,254.60/226,382.76
  6. Step 6: Final answer
    x = 193,474.16

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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.