Home / 258,013.28-355,888.68-162,439.76

Finding the Fourth Proportional to 258,013.28, 355,888.68 and 162,439.76

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Solution

The fourth proportional to 258,013.28, 355,888.68 and 162,439.76 is: 224,060.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,013.28 : 355,888.68 = 162,439.76 : x
  2. Step 2: Convert to fraction form
    258,013.28/355,888.68 = 162,439.76/x
  3. Step 3: Cross multiply
    258,013.28x = 355,888.68 × 162,439.76
  4. Step 4: Simplify right side
    258,013.28x = 57,810,471,765.92
  5. Step 5: Solve for x
    x = 57,810,471,765.92/258,013.28
  6. Step 6: Final answer
    x = 224,060.06

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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.