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Finding the Fourth Proportional to 267,020.20, 368,484.15 and 146,158.48

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Solution

The fourth proportional to 267,020.20, 368,484.15 and 146,158.48 is: 201,696.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,020.20 : 368,484.15 = 146,158.48 : x
  2. Step 2: Convert to fraction form
    267,020.20/368,484.15 = 146,158.48/x
  3. Step 3: Cross multiply
    267,020.20x = 368,484.15 × 146,158.48
  4. Step 4: Simplify right side
    267,020.20x = 53,857,083,268.09
  5. Step 5: Solve for x
    x = 53,857,083,268.09/267,020.20
  6. Step 6: Final answer
    x = 201,696.66

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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.