Home / 549,313.20-823,642.56-170,121.60

Finding the Fourth Proportional to 549,313.20, 823,642.56 and 170,121.60

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Solution

The fourth proportional to 549,313.20, 823,642.56 and 170,121.60 is: 255,081.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,313.20 : 823,642.56 = 170,121.60 : x
  2. Step 2: Convert to fraction form
    549,313.20/823,642.56 = 170,121.60/x
  3. Step 3: Cross multiply
    549,313.20x = 823,642.56 × 170,121.60
  4. Step 4: Simplify right side
    549,313.20x = 140,119,390,135.30
  5. Step 5: Solve for x
    x = 140,119,390,135.30/549,313.20
  6. Step 6: Final answer
    x = 255,081.05

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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.