Home / 439,380.81-659,071.26-158,832.45

Finding the Fourth Proportional to 439,380.81, 659,071.26 and 158,832.45

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Solution

The fourth proportional to 439,380.81, 659,071.26 and 158,832.45 is: 238,248.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,380.81 : 659,071.26 = 158,832.45 : x
  2. Step 2: Convert to fraction form
    439,380.81/659,071.26 = 158,832.45/x
  3. Step 3: Cross multiply
    439,380.81x = 659,071.26 × 158,832.45
  4. Step 4: Simplify right side
    439,380.81x = 104,681,902,950.39
  5. Step 5: Solve for x
    x = 104,681,902,950.39/439,380.81
  6. Step 6: Final answer
    x = 238,248.69

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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.