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Finding the Fourth Proportional to 451,774.85, 677,520.86 and 163,550.12

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Solution

The fourth proportional to 451,774.85, 677,520.86 and 163,550.12 is: 245,273.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,774.85 : 677,520.86 = 163,550.12 : x
  2. Step 2: Convert to fraction form
    451,774.85/677,520.86 = 163,550.12/x
  3. Step 3: Cross multiply
    451,774.85x = 677,520.86 × 163,550.12
  4. Step 4: Simplify right side
    451,774.85x = 110,808,613,750.15
  5. Step 5: Solve for x
    x = 110,808,613,750.15/451,774.85
  6. Step 6: Final answer
    x = 245,273.98

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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.