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Finding the Fourth Proportional to 267,278.51, 368,853.52 and 146,419.76

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Solution

The fourth proportional to 267,278.51, 368,853.52 and 146,419.76 is: 202,064.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,278.51 : 368,853.52 = 146,419.76 : x
  2. Step 2: Convert to fraction form
    267,278.51/368,853.52 = 146,419.76/x
  3. Step 3: Cross multiply
    267,278.51x = 368,853.52 × 146,419.76
  4. Step 4: Simplify right side
    267,278.51x = 54,007,441,663.24
  5. Step 5: Solve for x
    x = 54,007,441,663.24/267,278.51
  6. Step 6: Final answer
    x = 202,064.29

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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.