Home / 326,637.96-489,766.18-126,724.74

Finding the Fourth Proportional to 326,637.96, 489,766.18 and 126,724.74

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Solution

The fourth proportional to 326,637.96, 489,766.18 and 126,724.74 is: 190,013.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,637.96 : 489,766.18 = 126,724.74 : x
  2. Step 2: Convert to fraction form
    326,637.96/489,766.18 = 126,724.74/x
  3. Step 3: Cross multiply
    326,637.96x = 489,766.18 × 126,724.74
  4. Step 4: Simplify right side
    326,637.96x = 62,065,491,821.29
  5. Step 5: Solve for x
    x = 62,065,491,821.29/326,637.96
  6. Step 6: Final answer
    x = 190,013.10

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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.