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Finding the Fourth Proportional to 201,200.10, 301,800.15 and 130,341.30

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Solution

The fourth proportional to 201,200.10, 301,800.15 and 130,341.30 is: 195,511.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,200.10 : 301,800.15 = 130,341.30 : x
  2. Step 2: Convert to fraction form
    201,200.10/301,800.15 = 130,341.30/x
  3. Step 3: Cross multiply
    201,200.10x = 301,800.15 × 130,341.30
  4. Step 4: Simplify right side
    201,200.10x = 39,337,023,891.20
  5. Step 5: Solve for x
    x = 39,337,023,891.20/201,200.10
  6. Step 6: Final answer
    x = 195,511.95

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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.