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Finding the Fourth Proportional to 318,102.80, 477,154.20 and 302,550.80

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Solution

The fourth proportional to 318,102.80, 477,154.20 and 302,550.80 is: 453,826.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,102.80 : 477,154.20 = 302,550.80 : x
  2. Step 2: Convert to fraction form
    318,102.80/477,154.20 = 302,550.80/x
  3. Step 3: Cross multiply
    318,102.80x = 477,154.20 × 302,550.80
  4. Step 4: Simplify right side
    318,102.80x = 144,363,384,933.36
  5. Step 5: Solve for x
    x = 144,363,384,933.36/318,102.80
  6. Step 6: Final answer
    x = 453,826.20

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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.