Home / 326,151.20-489,226.80-302,531.60

Finding the Fourth Proportional to 326,151.20, 489,226.80 and 302,531.60

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Solution

The fourth proportional to 326,151.20, 489,226.80 and 302,531.60 is: 453,797.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,151.20 : 489,226.80 = 302,531.60 : x
  2. Step 2: Convert to fraction form
    326,151.20/489,226.80 = 302,531.60/x
  3. Step 3: Cross multiply
    326,151.20x = 489,226.80 × 302,531.60
  4. Step 4: Simplify right side
    326,151.20x = 148,006,566,566.88
  5. Step 5: Solve for x
    x = 148,006,566,566.88/326,151.20
  6. Step 6: Final answer
    x = 453,797.40

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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.