Home / 226,003.68-312,001.20-159,233.76

Finding the Fourth Proportional to 226,003.68, 312,001.20 and 159,233.76

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Solution

The fourth proportional to 226,003.68, 312,001.20 and 159,233.76 is: 219,824.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,003.68 : 312,001.20 = 159,233.76 : x
  2. Step 2: Convert to fraction form
    226,003.68/312,001.20 = 159,233.76/x
  3. Step 3: Cross multiply
    226,003.68x = 312,001.20 × 159,233.76
  4. Step 4: Simplify right side
    226,003.68x = 49,681,124,200.51
  5. Step 5: Solve for x
    x = 49,681,124,200.51/226,003.68
  6. Step 6: Final answer
    x = 219,824.40

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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.