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Finding the Fourth Proportional to 334,483.88, 461,282.55 and 219,716.48

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Solution

The fourth proportional to 334,483.88, 461,282.55 and 219,716.48 is: 303,008.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,483.88 : 461,282.55 = 219,716.48 : x
  2. Step 2: Convert to fraction form
    334,483.88/461,282.55 = 219,716.48/x
  3. Step 3: Cross multiply
    334,483.88x = 461,282.55 × 219,716.48
  4. Step 4: Simplify right side
    334,483.88x = 101,351,378,171.42
  5. Step 5: Solve for x
    x = 101,351,378,171.42/334,483.88
  6. Step 6: Final answer
    x = 303,008.26

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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.