Home / 549,447.20-823,514.70-229,598.45

Finding the Fourth Proportional to 549,447.20, 823,514.70 and 229,598.45

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Solution

The fourth proportional to 549,447.20, 823,514.70 and 229,598.45 is: 344,123.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,447.20 : 823,514.70 = 229,598.45 : x
  2. Step 2: Convert to fraction form
    549,447.20/823,514.70 = 229,598.45/x
  3. Step 3: Cross multiply
    549,447.20x = 823,514.70 × 229,598.45
  4. Step 4: Simplify right side
    549,447.20x = 189,077,698,672.22
  5. Step 5: Solve for x
    x = 189,077,698,672.22/549,447.20
  6. Step 6: Final answer
    x = 344,123.51

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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.