Home / 630,310.20-945,321.12-181,027.50

Finding the Fourth Proportional to 630,310.20, 945,321.12 and 181,027.50

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Solution

The fourth proportional to 630,310.20, 945,321.12 and 181,027.50 is: 271,499.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,310.20 : 945,321.12 = 181,027.50 : x
  2. Step 2: Convert to fraction form
    630,310.20/945,321.12 = 181,027.50/x
  3. Step 3: Cross multiply
    630,310.20x = 945,321.12 × 181,027.50
  4. Step 4: Simplify right side
    630,310.20x = 171,129,119,050.80
  5. Step 5: Solve for x
    x = 171,129,119,050.80/630,310.20
  6. Step 6: Final answer
    x = 271,499.84

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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.