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Finding the Fourth Proportional to 363,419.64, 501,515.28 and 202,272.36

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Solution

The fourth proportional to 363,419.64, 501,515.28 and 202,272.36 is: 279,133.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,419.64 : 501,515.28 = 202,272.36 : x
  2. Step 2: Convert to fraction form
    363,419.64/501,515.28 = 202,272.36/x
  3. Step 3: Cross multiply
    363,419.64x = 501,515.28 × 202,272.36
  4. Step 4: Simplify right side
    363,419.64x = 101,442,679,261.66
  5. Step 5: Solve for x
    x = 101,442,679,261.66/363,419.64
  6. Step 6: Final answer
    x = 279,133.73

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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.