Home / 345,138.60-476,198.28-201,933.84

Finding the Fourth Proportional to 345,138.60, 476,198.28 and 201,933.84

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Solution

The fourth proportional to 345,138.60, 476,198.28 and 201,933.84 is: 278,614.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,138.60 : 476,198.28 = 201,933.84 : x
  2. Step 2: Convert to fraction form
    345,138.60/476,198.28 = 201,933.84/x
  3. Step 3: Cross multiply
    345,138.60x = 476,198.28 × 201,933.84
  4. Step 4: Simplify right side
    345,138.60x = 96,160,547,281.80
  5. Step 5: Solve for x
    x = 96,160,547,281.80/345,138.60
  6. Step 6: Final answer
    x = 278,614.29

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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.