Home / 326,364.16-489,435.34-113,082.30

Finding the Fourth Proportional to 326,364.16, 489,435.34 and 113,082.30

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Solution

The fourth proportional to 326,364.16, 489,435.34 and 113,082.30 is: 169,585.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,364.16 : 489,435.34 = 113,082.30 : x
  2. Step 2: Convert to fraction form
    326,364.16/489,435.34 = 113,082.30/x
  3. Step 3: Cross multiply
    326,364.16x = 489,435.34 × 113,082.30
  4. Step 4: Simplify right side
    326,364.16x = 55,346,473,948.48
  5. Step 5: Solve for x
    x = 55,346,473,948.48/326,364.16
  6. Step 6: Final answer
    x = 169,585.02

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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.