Home / 238,783.46-329,514.18-131,353.43

Finding the Fourth Proportional to 238,783.46, 329,514.18 and 131,353.43

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Solution

The fourth proportional to 238,783.46, 329,514.18 and 131,353.43 is: 181,263.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,783.46 : 329,514.18 = 131,353.43 : x
  2. Step 2: Convert to fraction form
    238,783.46/329,514.18 = 131,353.43/x
  3. Step 3: Cross multiply
    238,783.46x = 329,514.18 × 131,353.43
  4. Step 4: Simplify right side
    238,783.46x = 43,282,816,129.07
  5. Step 5: Solve for x
    x = 43,282,816,129.07/238,783.46
  6. Step 6: Final answer
    x = 181,263.88

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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.