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Finding the Fourth Proportional to 363,028.80, 544,543.20 and 213,340.80

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Solution

The fourth proportional to 363,028.80, 544,543.20 and 213,340.80 is: 320,011.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,028.80 : 544,543.20 = 213,340.80 : x
  2. Step 2: Convert to fraction form
    363,028.80/544,543.20 = 213,340.80/x
  3. Step 3: Cross multiply
    363,028.80x = 544,543.20 × 213,340.80
  4. Step 4: Simplify right side
    363,028.80x = 116,173,281,922.56
  5. Step 5: Solve for x
    x = 116,173,281,922.56/363,028.80
  6. Step 6: Final answer
    x = 320,011.20

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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.