Home / 440,162.45-659,995.81-140,572.61

Finding the Fourth Proportional to 440,162.45, 659,995.81 and 140,572.61

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Solution

The fourth proportional to 440,162.45, 659,995.81 and 140,572.61 is: 210,779.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,162.45 : 659,995.81 = 140,572.61 : x
  2. Step 2: Convert to fraction form
    440,162.45/659,995.81 = 140,572.61/x
  3. Step 3: Cross multiply
    440,162.45x = 659,995.81 × 140,572.61
  4. Step 4: Simplify right side
    440,162.45x = 92,777,329,949.35
  5. Step 5: Solve for x
    x = 92,777,329,949.35/440,162.45
  6. Step 6: Final answer
    x = 210,779.75

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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.