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Finding the Fourth Proportional to 267,272.40, 368,836.33 and 146,411.03

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Solution

The fourth proportional to 267,272.40, 368,836.33 and 146,411.03 is: 202,047.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,272.40 : 368,836.33 = 146,411.03 : x
  2. Step 2: Convert to fraction form
    267,272.40/368,836.33 = 146,411.03/x
  3. Step 3: Cross multiply
    267,272.40x = 368,836.33 × 146,411.03
  4. Step 4: Simplify right side
    267,272.40x = 54,001,706,976.72
  5. Step 5: Solve for x
    x = 54,001,706,976.72/267,272.40
  6. Step 6: Final answer
    x = 202,047.45

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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.