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Finding the Fourth Proportional to 265,648.31, 366,592.33 and 144,789.60

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Solution

The fourth proportional to 265,648.31, 366,592.33 and 144,789.60 is: 199,808.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,648.31 : 366,592.33 = 144,789.60 : x
  2. Step 2: Convert to fraction form
    265,648.31/366,592.33 = 144,789.60/x
  3. Step 3: Cross multiply
    265,648.31x = 366,592.33 × 144,789.60
  4. Step 4: Simplify right side
    265,648.31x = 53,078,756,823.77
  5. Step 5: Solve for x
    x = 53,078,756,823.77/265,648.31
  6. Step 6: Final answer
    x = 199,808.37

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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.