Home / 345,138.10-476,197.59-201,933.34

Finding the Fourth Proportional to 345,138.10, 476,197.59 and 201,933.34

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Solution

The fourth proportional to 345,138.10, 476,197.59 and 201,933.34 is: 278,613.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,138.10 : 476,197.59 = 201,933.34 : x
  2. Step 2: Convert to fraction form
    345,138.10/476,197.59 = 201,933.34/x
  3. Step 3: Cross multiply
    345,138.10x = 476,197.59 × 201,933.34
  4. Step 4: Simplify right side
    345,138.10x = 96,160,169,848.65
  5. Step 5: Solve for x
    x = 96,160,169,848.65/345,138.10
  6. Step 6: Final answer
    x = 278,613.60

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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.