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Finding the Fourth Proportional to 662,150.80, 993,235.30 and 188,836.20

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Solution

The fourth proportional to 662,150.80, 993,235.30 and 188,836.20 is: 283,256.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,150.80 : 993,235.30 = 188,836.20 : x
  2. Step 2: Convert to fraction form
    662,150.80/993,235.30 = 188,836.20/x
  3. Step 3: Cross multiply
    662,150.80x = 993,235.30 × 188,836.20
  4. Step 4: Simplify right side
    662,150.80x = 187,558,779,757.86
  5. Step 5: Solve for x
    x = 187,558,779,757.86/662,150.80
  6. Step 6: Final answer
    x = 283,256.90

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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.