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Finding the Fourth Proportional to 295,079.10, 442,618.65 and 200,600.70

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Solution

The fourth proportional to 295,079.10, 442,618.65 and 200,600.70 is: 300,901.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,079.10 : 442,618.65 = 200,600.70 : x
  2. Step 2: Convert to fraction form
    295,079.10/442,618.65 = 200,600.70/x
  3. Step 3: Cross multiply
    295,079.10x = 442,618.65 × 200,600.70
  4. Step 4: Simplify right side
    295,079.10x = 88,789,611,023.06
  5. Step 5: Solve for x
    x = 88,789,611,023.06/295,079.10
  6. Step 6: Final answer
    x = 300,901.05

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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.