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Finding the Fourth Proportional to 245,306.26, 368,216.79 and 217,404.82

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Solution

The fourth proportional to 245,306.26, 368,216.79 and 217,404.82 is: 326,335.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,306.26 : 368,216.79 = 217,404.82 : x
  2. Step 2: Convert to fraction form
    245,306.26/368,216.79 = 217,404.82/x
  3. Step 3: Cross multiply
    245,306.26x = 368,216.79 × 217,404.82
  4. Step 4: Simplify right side
    245,306.26x = 80,052,104,950.93
  5. Step 5: Solve for x
    x = 80,052,104,950.93/245,306.26
  6. Step 6: Final answer
    x = 326,335.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.