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Finding the Fourth Proportional to 325,841.60, 488,762.40 and 115,500.80

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Solution

The fourth proportional to 325,841.60, 488,762.40 and 115,500.80 is: 173,251.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,841.60 : 488,762.40 = 115,500.80 : x
  2. Step 2: Convert to fraction form
    325,841.60/488,762.40 = 115,500.80/x
  3. Step 3: Cross multiply
    325,841.60x = 488,762.40 × 115,500.80
  4. Step 4: Simplify right side
    325,841.60x = 56,452,448,209.92
  5. Step 5: Solve for x
    x = 56,452,448,209.92/325,841.60
  6. Step 6: Final answer
    x = 173,251.20

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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.