Home / 630,314.20-945,327.12-181,031.50

Finding the Fourth Proportional to 630,314.20, 945,327.12 and 181,031.50

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Solution

The fourth proportional to 630,314.20, 945,327.12 and 181,031.50 is: 271,505.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,314.20 : 945,327.12 = 181,031.50 : x
  2. Step 2: Convert to fraction form
    630,314.20/945,327.12 = 181,031.50/x
  3. Step 3: Cross multiply
    630,314.20x = 945,327.12 × 181,031.50
  4. Step 4: Simplify right side
    630,314.20x = 171,133,986,524.28
  5. Step 5: Solve for x
    x = 171,133,986,524.28/630,314.20
  6. Step 6: Final answer
    x = 271,505.84

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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.