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Finding the Fourth Proportional to 343,222.72, 471,121.68 and 304,653.76

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Solution

The fourth proportional to 343,222.72, 471,121.68 and 304,653.76 is: 418,180.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,222.72 : 471,121.68 = 304,653.76 : x
  2. Step 2: Convert to fraction form
    343,222.72/471,121.68 = 304,653.76/x
  3. Step 3: Cross multiply
    343,222.72x = 471,121.68 × 304,653.76
  4. Step 4: Simplify right side
    343,222.72x = 143,528,991,229.52
  5. Step 5: Solve for x
    x = 143,528,991,229.52/343,222.72
  6. Step 6: Final answer
    x = 418,180.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.