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Finding the Fourth Proportional to 363,223.58, 501,248.53 and 202,078.58

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Solution

The fourth proportional to 363,223.58, 501,248.53 and 202,078.58 is: 278,868.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,223.58 : 501,248.53 = 202,078.58 : x
  2. Step 2: Convert to fraction form
    363,223.58/501,248.53 = 202,078.58/x
  3. Step 3: Cross multiply
    363,223.58x = 501,248.53 × 202,078.58
  4. Step 4: Simplify right side
    363,223.58x = 101,291,594,560.45
  5. Step 5: Solve for x
    x = 101,291,594,560.45/363,223.58
  6. Step 6: Final answer
    x = 278,868.44

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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.