Home / 319,904.88-479,960.96-95,267.18

Finding the Fourth Proportional to 319,904.88, 479,960.96 and 95,267.18

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Solution

The fourth proportional to 319,904.88, 479,960.96 and 95,267.18 is: 142,931.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,904.88 : 479,960.96 = 95,267.18 : x
  2. Step 2: Convert to fraction form
    319,904.88/479,960.96 = 95,267.18/x
  3. Step 3: Cross multiply
    319,904.88x = 479,960.96 × 95,267.18
  4. Step 4: Simplify right side
    319,904.88x = 45,724,524,293.15
  5. Step 5: Solve for x
    x = 45,724,524,293.15/319,904.88
  6. Step 6: Final answer
    x = 142,931.62

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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.