Home / 276,625.14-381,779.03-155,790.04

Finding the Fourth Proportional to 276,625.14, 381,779.03 and 155,790.04

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Solution

The fourth proportional to 276,625.14, 381,779.03 and 155,790.04 is: 215,010.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,625.14 : 381,779.03 = 155,790.04 : x
  2. Step 2: Convert to fraction form
    276,625.14/381,779.03 = 155,790.04/x
  3. Step 3: Cross multiply
    276,625.14x = 381,779.03 × 155,790.04
  4. Step 4: Simplify right side
    276,625.14x = 59,477,370,354.86
  5. Step 5: Solve for x
    x = 59,477,370,354.86/276,625.14
  6. Step 6: Final answer
    x = 215,010.72

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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.