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Finding the Fourth Proportional to 315,363.24, 435,134.64 and 200,600.10

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Solution

The fourth proportional to 315,363.24, 435,134.64 and 200,600.10 is: 276,785.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,363.24 : 435,134.64 = 200,600.10 : x
  2. Step 2: Convert to fraction form
    315,363.24/435,134.64 = 200,600.10/x
  3. Step 3: Cross multiply
    315,363.24x = 435,134.64 × 200,600.10
  4. Step 4: Simplify right side
    315,363.24x = 87,288,052,297.46
  5. Step 5: Solve for x
    x = 87,288,052,297.46/315,363.24
  6. Step 6: Final answer
    x = 276,785.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.