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Finding the Fourth Proportional to 350,348.16, 483,452.88 and 197,378

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Solution

The fourth proportional to 350,348.16, 483,452.88 and 197,378 is: 272,366.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,348.16 : 483,452.88 = 197,378 : x
  2. Step 2: Convert to fraction form
    350,348.16/483,452.88 = 197,378/x
  3. Step 3: Cross multiply
    350,348.16x = 483,452.88 × 197,378
  4. Step 4: Simplify right side
    350,348.16x = 95,422,962,548.64
  5. Step 5: Solve for x
    x = 95,422,962,548.64/350,348.16
  6. Step 6: Final answer
    x = 272,366.10

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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.