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Finding the Fourth Proportional to 439,330.28, 606,269.22 and 248,337

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Solution

The fourth proportional to 439,330.28, 606,269.22 and 248,337 is: 342,701.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,330.28 : 606,269.22 = 248,337 : x
  2. Step 2: Convert to fraction form
    439,330.28/606,269.22 = 248,337/x
  3. Step 3: Cross multiply
    439,330.28x = 606,269.22 × 248,337
  4. Step 4: Simplify right side
    439,330.28x = 150,559,079,287.14
  5. Step 5: Solve for x
    x = 150,559,079,287.14/439,330.28
  6. Step 6: Final answer
    x = 342,701.35

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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.