Home / 345,212.28-476,147.57-230,433.05

Finding the Fourth Proportional to 345,212.28, 476,147.57 and 230,433.05

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Solution

The fourth proportional to 345,212.28, 476,147.57 and 230,433.05 is: 317,833.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,212.28 : 476,147.57 = 230,433.05 : x
  2. Step 2: Convert to fraction form
    345,212.28/476,147.57 = 230,433.05/x
  3. Step 3: Cross multiply
    345,212.28x = 476,147.57 × 230,433.05
  4. Step 4: Simplify right side
    345,212.28x = 109,720,136,843.39
  5. Step 5: Solve for x
    x = 109,720,136,843.39/345,212.28
  6. Step 6: Final answer
    x = 317,833.82

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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.