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Finding the Fourth Proportional to 230,876.20, 346,314.30 and 191,477.80

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Solution

The fourth proportional to 230,876.20, 346,314.30 and 191,477.80 is: 287,216.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,876.20 : 346,314.30 = 191,477.80 : x
  2. Step 2: Convert to fraction form
    230,876.20/346,314.30 = 191,477.80/x
  3. Step 3: Cross multiply
    230,876.20x = 346,314.30 × 191,477.80
  4. Step 4: Simplify right side
    230,876.20x = 66,311,500,272.54
  5. Step 5: Solve for x
    x = 66,311,500,272.54/230,876.20
  6. Step 6: Final answer
    x = 287,216.70

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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.