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Finding the Fourth Proportional to 238,874.77, 329,783.14 and 158,410.92

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Solution

The fourth proportional to 238,874.77, 329,783.14 and 158,410.92 is: 218,697.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,874.77 : 329,783.14 = 158,410.92 : x
  2. Step 2: Convert to fraction form
    238,874.77/329,783.14 = 158,410.92/x
  3. Step 3: Cross multiply
    238,874.77x = 329,783.14 × 158,410.92
  4. Step 4: Simplify right side
    238,874.77x = 52,241,248,958.97
  5. Step 5: Solve for x
    x = 52,241,248,958.97/238,874.77
  6. Step 6: Final answer
    x = 218,697.23

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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.