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Finding the Fourth Proportional to 267,155.76, 368,675.04 and 146,304.56

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Solution

The fourth proportional to 267,155.76, 368,675.04 and 146,304.56 is: 201,900.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,155.76 : 368,675.04 = 146,304.56 : x
  2. Step 2: Convert to fraction form
    267,155.76/368,675.04 = 146,304.56/x
  3. Step 3: Cross multiply
    267,155.76x = 368,675.04 × 146,304.56
  4. Step 4: Simplify right side
    267,155.76x = 53,938,839,510.18
  5. Step 5: Solve for x
    x = 53,938,839,510.18/267,155.76
  6. Step 6: Final answer
    x = 201,900.34

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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.