Home / 326,414.32-489,575.40-104,769.52

Finding the Fourth Proportional to 326,414.32, 489,575.40 and 104,769.52

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Solution

The fourth proportional to 326,414.32, 489,575.40 and 104,769.52 is: 157,139.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,414.32 : 489,575.40 = 104,769.52 : x
  2. Step 2: Convert to fraction form
    326,414.32/489,575.40 = 104,769.52/x
  3. Step 3: Cross multiply
    326,414.32x = 489,575.40 × 104,769.52
  4. Step 4: Simplify right side
    326,414.32x = 51,292,579,661.81
  5. Step 5: Solve for x
    x = 51,292,579,661.81/326,414.32
  6. Step 6: Final answer
    x = 157,139.49

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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.