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Finding the Fourth Proportional to 200,600.10, 300,943.35 and 60,372.90

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Solution

The fourth proportional to 200,600.10, 300,943.35 and 60,372.90 is: 90,572.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,600.10 : 300,943.35 = 60,372.90 : x
  2. Step 2: Convert to fraction form
    200,600.10/300,943.35 = 60,372.90/x
  3. Step 3: Cross multiply
    200,600.10x = 300,943.35 × 60,372.90
  4. Step 4: Simplify right side
    200,600.10x = 18,168,822,775.22
  5. Step 5: Solve for x
    x = 18,168,822,775.22/200,600.10
  6. Step 6: Final answer
    x = 90,572.35

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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.