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Finding the Fourth Proportional to 230,114.20, 345,300.90 and 89,854.60

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Solution

The fourth proportional to 230,114.20, 345,300.90 and 89,854.60 is: 134,832.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,114.20 : 345,300.90 = 89,854.60 : x
  2. Step 2: Convert to fraction form
    230,114.20/345,300.90 = 89,854.60/x
  3. Step 3: Cross multiply
    230,114.20x = 345,300.90 × 89,854.60
  4. Step 4: Simplify right side
    230,114.20x = 31,026,874,249.14
  5. Step 5: Solve for x
    x = 31,026,874,249.14/230,114.20
  6. Step 6: Final answer
    x = 134,832.51

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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.