Home / 227,988.64-342,019.72-70,217.04

Finding the Fourth Proportional to 227,988.64, 342,019.72 and 70,217.04

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Solution

The fourth proportional to 227,988.64, 342,019.72 and 70,217.04 is: 105,336.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,988.64 : 342,019.72 = 70,217.04 : x
  2. Step 2: Convert to fraction form
    227,988.64/342,019.72 = 70,217.04/x
  3. Step 3: Cross multiply
    227,988.64x = 342,019.72 × 70,217.04
  4. Step 4: Simplify right side
    227,988.64x = 24,015,612,360.03
  5. Step 5: Solve for x
    x = 24,015,612,360.03/227,988.64
  6. Step 6: Final answer
    x = 105,336.88

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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.