Home / 217,209.16-325,132.12-149,345.18

Finding the Fourth Proportional to 217,209.16, 325,132.12 and 149,345.18

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Solution

The fourth proportional to 217,209.16, 325,132.12 and 149,345.18 is: 223,549.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,209.16 : 325,132.12 = 149,345.18 : x
  2. Step 2: Convert to fraction form
    217,209.16/325,132.12 = 149,345.18/x
  3. Step 3: Cross multiply
    217,209.16x = 325,132.12 × 149,345.18
  4. Step 4: Simplify right side
    217,209.16x = 48,556,915,424.65
  5. Step 5: Solve for x
    x = 48,556,915,424.65/217,209.16
  6. Step 6: Final answer
    x = 223,549.12

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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.