Home / 237,680.28-328,002.48-142,191

Finding the Fourth Proportional to 237,680.28, 328,002.48 and 142,191

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Solution

The fourth proportional to 237,680.28, 328,002.48 and 142,191 is: 196,225.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,680.28 : 328,002.48 = 142,191 : x
  2. Step 2: Convert to fraction form
    237,680.28/328,002.48 = 142,191/x
  3. Step 3: Cross multiply
    237,680.28x = 328,002.48 × 142,191
  4. Step 4: Simplify right side
    237,680.28x = 46,639,000,633.68
  5. Step 5: Solve for x
    x = 46,639,000,633.68/237,680.28
  6. Step 6: Final answer
    x = 196,225.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.