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Finding the Fourth Proportional to 363,352.90, 501,420 and 202,207.72

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Solution

The fourth proportional to 363,352.90, 501,420 and 202,207.72 is: 279,042.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,352.90 : 501,420 = 202,207.72 : x
  2. Step 2: Convert to fraction form
    363,352.90/501,420 = 202,207.72/x
  3. Step 3: Cross multiply
    363,352.90x = 501,420 × 202,207.72
  4. Step 4: Simplify right side
    363,352.90x = 101,390,994,962.40
  5. Step 5: Solve for x
    x = 101,390,994,962.40/363,352.90
  6. Step 6: Final answer
    x = 279,042.76

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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.