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Finding the Fourth Proportional to 267,127, 368,618.99 and 146,269.74

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Solution

The fourth proportional to 267,127, 368,618.99 and 146,269.74 is: 201,843.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,127 : 368,618.99 = 146,269.74 : x
  2. Step 2: Convert to fraction form
    267,127/368,618.99 = 146,269.74/x
  3. Step 3: Cross multiply
    267,127x = 368,618.99 × 146,269.74
  4. Step 4: Simplify right side
    267,127x = 53,917,803,826.36
  5. Step 5: Solve for x
    x = 53,917,803,826.36/267,127
  6. Step 6: Final answer
    x = 201,843.33

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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.