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Finding the Fourth Proportional to 363,948.16, 545,922.24 and 111,218.44

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Solution

The fourth proportional to 363,948.16, 545,922.24 and 111,218.44 is: 166,827.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,948.16 : 545,922.24 = 111,218.44 : x
  2. Step 2: Convert to fraction form
    363,948.16/545,922.24 = 111,218.44/x
  3. Step 3: Cross multiply
    363,948.16x = 545,922.24 × 111,218.44
  4. Step 4: Simplify right side
    363,948.16x = 60,716,619,894.11
  5. Step 5: Solve for x
    x = 60,716,619,894.11/363,948.16
  6. Step 6: Final answer
    x = 166,827.66

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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.