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Finding the Fourth Proportional to 363,352.40, 501,419.31 and 202,207.22

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Solution

The fourth proportional to 363,352.40, 501,419.31 and 202,207.22 is: 279,042.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,352.40 : 501,419.31 = 202,207.22 : x
  2. Step 2: Convert to fraction form
    363,352.40/501,419.31 = 202,207.22/x
  3. Step 3: Cross multiply
    363,352.40x = 501,419.31 × 202,207.22
  4. Step 4: Simplify right side
    363,352.40x = 101,390,602,222.32
  5. Step 5: Solve for x
    x = 101,390,602,222.32/363,352.40
  6. Step 6: Final answer
    x = 279,042.06

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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.