Home / 238,897.35-329,688.63-131,474.34

Finding the Fourth Proportional to 238,897.35, 329,688.63 and 131,474.34

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Solution

The fourth proportional to 238,897.35, 329,688.63 and 131,474.34 is: 181,440.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,897.35 : 329,688.63 = 131,474.34 : x
  2. Step 2: Convert to fraction form
    238,897.35/329,688.63 = 131,474.34/x
  3. Step 3: Cross multiply
    238,897.35x = 329,688.63 × 131,474.34
  4. Step 4: Simplify right side
    238,897.35x = 43,345,595,034.75
  5. Step 5: Solve for x
    x = 43,345,595,034.75/238,897.35
  6. Step 6: Final answer
    x = 181,440.25

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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.