Home / 279,950.06-386,331.06-159,091.58

Finding the Fourth Proportional to 279,950.06, 386,331.06 and 159,091.58

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Solution

The fourth proportional to 279,950.06, 386,331.06 and 159,091.58 is: 219,546.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,950.06 : 386,331.06 = 159,091.58 : x
  2. Step 2: Convert to fraction form
    279,950.06/386,331.06 = 159,091.58/x
  3. Step 3: Cross multiply
    279,950.06x = 386,331.06 × 159,091.58
  4. Step 4: Simplify right side
    279,950.06x = 61,462,016,806.82
  5. Step 5: Solve for x
    x = 61,462,016,806.82/279,950.06
  6. Step 6: Final answer
    x = 219,546.36

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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.