Home / 439,018.22-658,527.40-123,475.12

Finding the Fourth Proportional to 439,018.22, 658,527.40 and 123,475.12

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Solution

The fourth proportional to 439,018.22, 658,527.40 and 123,475.12 is: 185,212.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,018.22 : 658,527.40 = 123,475.12 : x
  2. Step 2: Convert to fraction form
    439,018.22/658,527.40 = 123,475.12/x
  3. Step 3: Cross multiply
    439,018.22x = 658,527.40 × 123,475.12
  4. Step 4: Simplify right side
    439,018.22x = 81,311,749,738.29
  5. Step 5: Solve for x
    x = 81,311,749,738.29/439,018.22
  6. Step 6: Final answer
    x = 185,212.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.