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Finding the Fourth Proportional to 238,461.68, 329,076.04 and 131,031.40

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Solution

The fourth proportional to 238,461.68, 329,076.04 and 131,031.40 is: 180,822.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,461.68 : 329,076.04 = 131,031.40 : x
  2. Step 2: Convert to fraction form
    238,461.68/329,076.04 = 131,031.40/x
  3. Step 3: Cross multiply
    238,461.68x = 329,076.04 × 131,031.40
  4. Step 4: Simplify right side
    238,461.68x = 43,119,294,227.66
  5. Step 5: Solve for x
    x = 43,119,294,227.66/238,461.68
  6. Step 6: Final answer
    x = 180,822.74

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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.