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Finding the Fourth Proportional to 488,730.70, 732,561.45 and 173,025.10

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Solution

The fourth proportional to 488,730.70, 732,561.45 and 173,025.10 is: 259,348.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,730.70 : 732,561.45 = 173,025.10 : x
  2. Step 2: Convert to fraction form
    488,730.70/732,561.45 = 173,025.10/x
  3. Step 3: Cross multiply
    488,730.70x = 732,561.45 × 173,025.10
  4. Step 4: Simplify right side
    488,730.70x = 126,751,518,142.40
  5. Step 5: Solve for x
    x = 126,751,518,142.40/488,730.70
  6. Step 6: Final answer
    x = 259,348.39

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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.