Home / 276,731.40-415,097.10-251,799.60

Finding the Fourth Proportional to 276,731.40, 415,097.10 and 251,799.60

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Solution

The fourth proportional to 276,731.40, 415,097.10 and 251,799.60 is: 377,699.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,731.40 : 415,097.10 = 251,799.60 : x
  2. Step 2: Convert to fraction form
    276,731.40/415,097.10 = 251,799.60/x
  3. Step 3: Cross multiply
    276,731.40x = 415,097.10 × 251,799.60
  4. Step 4: Simplify right side
    276,731.40x = 104,521,283,741.16
  5. Step 5: Solve for x
    x = 104,521,283,741.16/276,731.40
  6. Step 6: Final answer
    x = 377,699.40

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.