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Finding the Fourth Proportional to 267,261.12, 368,815.68 and 146,404.80

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Solution

The fourth proportional to 267,261.12, 368,815.68 and 146,404.80 is: 202,036.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,261.12 : 368,815.68 = 146,404.80 : x
  2. Step 2: Convert to fraction form
    267,261.12/368,815.68 = 146,404.80/x
  3. Step 3: Cross multiply
    267,261.12x = 368,815.68 × 146,404.80
  4. Step 4: Simplify right side
    267,261.12x = 53,996,385,867.26
  5. Step 5: Solve for x
    x = 53,996,385,867.26/267,261.12
  6. Step 6: Final answer
    x = 202,036.07

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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.