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Finding the Fourth Proportional to 341,328.60, 511,254.18 and 222,639.84

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Solution

The fourth proportional to 341,328.60, 511,254.18 and 222,639.84 is: 333,477.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,328.60 : 511,254.18 = 222,639.84 : x
  2. Step 2: Convert to fraction form
    341,328.60/511,254.18 = 222,639.84/x
  3. Step 3: Cross multiply
    341,328.60x = 511,254.18 × 222,639.84
  4. Step 4: Simplify right side
    341,328.60x = 113,825,548,834.53
  5. Step 5: Solve for x
    x = 113,825,548,834.53/341,328.60
  6. Step 6: Final answer
    x = 333,477.91

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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.