Home / 549,524.20-823,892.70-212,276.20

Finding the Fourth Proportional to 549,524.20, 823,892.70 and 212,276.20

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Solution

The fourth proportional to 549,524.20, 823,892.70 and 212,276.20 is: 318,262.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,524.20 : 823,892.70 = 212,276.20 : x
  2. Step 2: Convert to fraction form
    549,524.20/823,892.70 = 212,276.20/x
  3. Step 3: Cross multiply
    549,524.20x = 823,892.70 × 212,276.20
  4. Step 4: Simplify right side
    549,524.20x = 174,892,811,563.74
  5. Step 5: Solve for x
    x = 174,892,811,563.74/549,524.20
  6. Step 6: Final answer
    x = 318,262.26

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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.