Home / 250,640.16-345,851.34-143,217.18

Finding the Fourth Proportional to 250,640.16, 345,851.34 and 143,217.18

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Solution

The fourth proportional to 250,640.16, 345,851.34 and 143,217.18 is: 197,621.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,640.16 : 345,851.34 = 143,217.18 : x
  2. Step 2: Convert to fraction form
    250,640.16/345,851.34 = 143,217.18/x
  3. Step 3: Cross multiply
    250,640.16x = 345,851.34 × 143,217.18
  4. Step 4: Simplify right side
    250,640.16x = 49,531,853,614.02
  5. Step 5: Solve for x
    x = 49,531,853,614.02/250,640.16
  6. Step 6: Final answer
    x = 197,621.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.