Home / 345,137.10-476,196.21-201,932.34

Finding the Fourth Proportional to 345,137.10, 476,196.21 and 201,932.34

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Solution

The fourth proportional to 345,137.10, 476,196.21 and 201,932.34 is: 278,612.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,137.10 : 476,196.21 = 201,932.34 : x
  2. Step 2: Convert to fraction form
    345,137.10/476,196.21 = 201,932.34/x
  3. Step 3: Cross multiply
    345,137.10x = 476,196.21 × 201,932.34
  4. Step 4: Simplify right side
    345,137.10x = 96,159,414,984.43
  5. Step 5: Solve for x
    x = 96,159,414,984.43/345,137.10
  6. Step 6: Final answer
    x = 278,612.22

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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.