Home / 238,261.08-328,777.66-142,750.04

Finding the Fourth Proportional to 238,261.08, 328,777.66 and 142,750.04

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Solution

The fourth proportional to 238,261.08, 328,777.66 and 142,750.04 is: 196,981.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,261.08 : 328,777.66 = 142,750.04 : x
  2. Step 2: Convert to fraction form
    238,261.08/328,777.66 = 142,750.04/x
  3. Step 3: Cross multiply
    238,261.08x = 328,777.66 × 142,750.04
  4. Step 4: Simplify right side
    238,261.08x = 46,933,024,116.11
  5. Step 5: Solve for x
    x = 46,933,024,116.11/238,261.08
  6. Step 6: Final answer
    x = 196,981.50

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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.