Home / 326,697.18-489,815.37-126,851.10

Finding the Fourth Proportional to 326,697.18, 489,815.37 and 126,851.10

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Solution

The fourth proportional to 326,697.18, 489,815.37 and 126,851.10 is: 190,187.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,697.18 : 489,815.37 = 126,851.10 : x
  2. Step 2: Convert to fraction form
    326,697.18/489,815.37 = 126,851.10/x
  3. Step 3: Cross multiply
    326,697.18x = 489,815.37 × 126,851.10
  4. Step 4: Simplify right side
    326,697.18x = 62,133,618,481.41
  5. Step 5: Solve for x
    x = 62,133,618,481.41/326,697.18
  6. Step 6: Final answer
    x = 190,187.19

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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.