Home / 326,588.25-489,913.21-126,923.96

Finding the Fourth Proportional to 326,588.25, 489,913.21 and 126,923.96

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Solution

The fourth proportional to 326,588.25, 489,913.21 and 126,923.96 is: 190,397.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,588.25 : 489,913.21 = 126,923.96 : x
  2. Step 2: Convert to fraction form
    326,588.25/489,913.21 = 126,923.96/x
  3. Step 3: Cross multiply
    326,588.25x = 489,913.21 × 126,923.96
  4. Step 4: Simplify right side
    326,588.25x = 62,181,726,052.95
  5. Step 5: Solve for x
    x = 62,181,726,052.95/326,588.25
  6. Step 6: Final answer
    x = 190,397.93

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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.