Home / 238,478.20-329,028.15-142,950.04

Finding the Fourth Proportional to 238,478.20, 329,028.15 and 142,950.04

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Solution

The fourth proportional to 238,478.20, 329,028.15 and 142,950.04 is: 197,228.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,478.20 : 329,028.15 = 142,950.04 : x
  2. Step 2: Convert to fraction form
    238,478.20/329,028.15 = 142,950.04/x
  3. Step 3: Cross multiply
    238,478.20x = 329,028.15 × 142,950.04
  4. Step 4: Simplify right side
    238,478.20x = 47,034,587,203.63
  5. Step 5: Solve for x
    x = 47,034,587,203.63/238,478.20
  6. Step 6: Final answer
    x = 197,228.04

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1.5x scale

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.