Home / 353,065.07-487,464.39-271,247.57

Finding the Fourth Proportional to 353,065.07, 487,464.39 and 271,247.57

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Solution

The fourth proportional to 353,065.07, 487,464.39 and 271,247.57 is: 374,501.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,065.07 : 487,464.39 = 271,247.57 : x
  2. Step 2: Convert to fraction form
    353,065.07/487,464.39 = 271,247.57/x
  3. Step 3: Cross multiply
    353,065.07x = 487,464.39 × 271,247.57
  4. Step 4: Simplify right side
    353,065.07x = 132,223,531,249.03
  5. Step 5: Solve for x
    x = 132,223,531,249.03/353,065.07
  6. Step 6: Final answer
    x = 374,501.88

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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.