Home / 646,125.18-969,187.55-172,798.25

Finding the Fourth Proportional to 646,125.18, 969,187.55 and 172,798.25

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Solution

The fourth proportional to 646,125.18, 969,187.55 and 172,798.25 is: 259,197.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,125.18 : 969,187.55 = 172,798.25 : x
  2. Step 2: Convert to fraction form
    646,125.18/969,187.55 = 172,798.25/x
  3. Step 3: Cross multiply
    646,125.18x = 969,187.55 × 172,798.25
  4. Step 4: Simplify right side
    646,125.18x = 167,473,906,851.86
  5. Step 5: Solve for x
    x = 167,473,906,851.86/646,125.18
  6. Step 6: Final answer
    x = 259,197.31

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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.