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Finding the Fourth Proportional to 371,551.58, 512,784.96 and 220,648.58

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Solution

The fourth proportional to 371,551.58, 512,784.96 and 220,648.58 is: 304,521.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,551.58 : 512,784.96 = 220,648.58 : x
  2. Step 2: Convert to fraction form
    371,551.58/512,784.96 = 220,648.58/x
  3. Step 3: Cross multiply
    371,551.58x = 512,784.96 × 220,648.58
  4. Step 4: Simplify right side
    371,551.58x = 113,145,273,269.36
  5. Step 5: Solve for x
    x = 113,145,273,269.36/371,551.58
  6. Step 6: Final answer
    x = 304,521.04

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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.