Home / 648,295.22-972,445.17-199,016.12

Finding the Fourth Proportional to 648,295.22, 972,445.17 and 199,016.12

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Solution

The fourth proportional to 648,295.22, 972,445.17 and 199,016.12 is: 298,524.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,295.22 : 972,445.17 = 199,016.12 : x
  2. Step 2: Convert to fraction form
    648,295.22/972,445.17 = 199,016.12/x
  3. Step 3: Cross multiply
    648,295.22x = 972,445.17 × 199,016.12
  4. Step 4: Simplify right side
    648,295.22x = 193,532,259,783.92
  5. Step 5: Solve for x
    x = 193,532,259,783.92/648,295.22
  6. Step 6: Final answer
    x = 298,524.89

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1.5x scale

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.