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Finding the Fourth Proportional to 238,172.52, 328,660.02 and 130,725.48

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Solution

The fourth proportional to 238,172.52, 328,660.02 and 130,725.48 is: 180,391.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,172.52 : 328,660.02 = 130,725.48 : x
  2. Step 2: Convert to fraction form
    238,172.52/328,660.02 = 130,725.48/x
  3. Step 3: Cross multiply
    238,172.52x = 328,660.02 × 130,725.48
  4. Step 4: Simplify right side
    238,172.52x = 42,964,238,871.31
  5. Step 5: Solve for x
    x = 42,964,238,871.31/238,172.52
  6. Step 6: Final answer
    x = 180,391.25

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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.