Home / 238,468.20-329,014.35-142,940.04

Finding the Fourth Proportional to 238,468.20, 329,014.35 and 142,940.04

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Solution

The fourth proportional to 238,468.20, 329,014.35 and 142,940.04 is: 197,214.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,468.20 : 329,014.35 = 142,940.04 : x
  2. Step 2: Convert to fraction form
    238,468.20/329,014.35 = 142,940.04/x
  3. Step 3: Cross multiply
    238,468.20x = 329,014.35 × 142,940.04
  4. Step 4: Simplify right side
    238,468.20x = 47,029,324,349.57
  5. Step 5: Solve for x
    x = 47,029,324,349.57/238,468.20
  6. Step 6: Final answer
    x = 197,214.24

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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.