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Finding the Fourth Proportional to 488,740.20, 733,110.30 and 173,156.10

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Solution

The fourth proportional to 488,740.20, 733,110.30 and 173,156.10 is: 259,734.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,740.20 : 733,110.30 = 173,156.10 : x
  2. Step 2: Convert to fraction form
    488,740.20/733,110.30 = 173,156.10/x
  3. Step 3: Cross multiply
    488,740.20x = 733,110.30 × 173,156.10
  4. Step 4: Simplify right side
    488,740.20x = 126,942,520,417.83
  5. Step 5: Solve for x
    x = 126,942,520,417.83/488,740.20
  6. Step 6: Final answer
    x = 259,734.15

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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.