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Finding the Fourth Proportional to 323,793.60, 484,815.60 and 253,809.60

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Solution

The fourth proportional to 323,793.60, 484,815.60 and 253,809.60 is: 380,028.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,793.60 : 484,815.60 = 253,809.60 : x
  2. Step 2: Convert to fraction form
    323,793.60/484,815.60 = 253,809.60/x
  3. Step 3: Cross multiply
    323,793.60x = 484,815.60 × 253,809.60
  4. Step 4: Simplify right side
    323,793.60x = 123,050,853,509.76
  5. Step 5: Solve for x
    x = 123,050,853,509.76/323,793.60
  6. Step 6: Final answer
    x = 380,028.68

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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.