Home / 208,857.32-312,864.62-96,381.29

Finding the Fourth Proportional to 208,857.32, 312,864.62 and 96,381.29

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Solution

The fourth proportional to 208,857.32, 312,864.62 and 96,381.29 is: 144,377.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,857.32 : 312,864.62 = 96,381.29 : x
  2. Step 2: Convert to fraction form
    208,857.32/312,864.62 = 96,381.29/x
  3. Step 3: Cross multiply
    208,857.32x = 312,864.62 × 96,381.29
  4. Step 4: Simplify right side
    208,857.32x = 30,154,293,624.73
  5. Step 5: Solve for x
    x = 30,154,293,624.73/208,857.32
  6. Step 6: Final answer
    x = 144,377.48

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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.