Home / 326,637.92-489,912.24-89,946.56

Finding the Fourth Proportional to 326,637.92, 489,912.24 and 89,946.56

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Solution

The fourth proportional to 326,637.92, 489,912.24 and 89,946.56 is: 134,907.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,637.92 : 489,912.24 = 89,946.56 : x
  2. Step 2: Convert to fraction form
    326,637.92/489,912.24 = 89,946.56/x
  3. Step 3: Cross multiply
    326,637.92x = 489,912.24 × 89,946.56
  4. Step 4: Simplify right side
    326,637.92x = 44,065,920,689.89
  5. Step 5: Solve for x
    x = 44,065,920,689.89/326,637.92
  6. Step 6: Final answer
    x = 134,907.55

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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.