Home / 280,222.23-386,715.21-159,380.92

Finding the Fourth Proportional to 280,222.23, 386,715.21 and 159,380.92

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Solution

The fourth proportional to 280,222.23, 386,715.21 and 159,380.92 is: 219,950.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,222.23 : 386,715.21 = 159,380.92 : x
  2. Step 2: Convert to fraction form
    280,222.23/386,715.21 = 159,380.92/x
  3. Step 3: Cross multiply
    280,222.23x = 386,715.21 × 159,380.92
  4. Step 4: Simplify right side
    280,222.23x = 61,635,024,554.75
  5. Step 5: Solve for x
    x = 61,635,024,554.75/280,222.23
  6. Step 6: Final answer
    x = 219,950.51

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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.