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Finding the Fourth Proportional to 325,512.84, 488,265.61 and 115,101.57

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Solution

The fourth proportional to 325,512.84, 488,265.61 and 115,101.57 is: 172,651.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,512.84 : 488,265.61 = 115,101.57 : x
  2. Step 2: Convert to fraction form
    325,512.84/488,265.61 = 115,101.57/x
  3. Step 3: Cross multiply
    325,512.84x = 488,265.61 × 115,101.57
  4. Step 4: Simplify right side
    325,512.84x = 56,200,135,271.17
  5. Step 5: Solve for x
    x = 56,200,135,271.17/325,512.84
  6. Step 6: Final answer
    x = 172,651.06

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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.