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Finding the Fourth Proportional to 288,550.20, 432,849.90 and 75,346.38

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Solution

The fourth proportional to 288,550.20, 432,849.90 and 75,346.38 is: 113,025.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,550.20 : 432,849.90 = 75,346.38 : x
  2. Step 2: Convert to fraction form
    288,550.20/432,849.90 = 75,346.38/x
  3. Step 3: Cross multiply
    288,550.20x = 432,849.90 × 75,346.38
  4. Step 4: Simplify right side
    288,550.20x = 32,613,673,048.36
  5. Step 5: Solve for x
    x = 32,613,673,048.36/288,550.20
  6. Step 6: Final answer
    x = 113,025.99

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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.