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Finding the Fourth Proportional to 334,887.44, 461,877.39 and 220,283.78

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Solution

The fourth proportional to 334,887.44, 461,877.39 and 220,283.78 is: 303,815.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,887.44 : 461,877.39 = 220,283.78 : x
  2. Step 2: Convert to fraction form
    334,887.44/461,877.39 = 220,283.78/x
  3. Step 3: Cross multiply
    334,887.44x = 461,877.39 × 220,283.78
  4. Step 4: Simplify right side
    334,887.44x = 101,744,095,056.35
  5. Step 5: Solve for x
    x = 101,744,095,056.35/334,887.44
  6. Step 6: Final answer
    x = 303,815.80

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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.