Home / 279,209.35-418,814.06-195,133.72

Finding the Fourth Proportional to 279,209.35, 418,814.06 and 195,133.72

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Solution

The fourth proportional to 279,209.35, 418,814.06 and 195,133.72 is: 292,700.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,209.35 : 418,814.06 = 195,133.72 : x
  2. Step 2: Convert to fraction form
    279,209.35/418,814.06 = 195,133.72/x
  3. Step 3: Cross multiply
    279,209.35x = 418,814.06 × 195,133.72
  4. Step 4: Simplify right side
    279,209.35x = 81,724,745,516.10
  5. Step 5: Solve for x
    x = 81,724,745,516.10/279,209.35
  6. Step 6: Final answer
    x = 292,700.60

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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.