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Finding the Fourth Proportional to 265,648.38, 366,595.05 and 144,789.77

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Solution

The fourth proportional to 265,648.38, 366,595.05 and 144,789.77 is: 199,810.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,648.38 : 366,595.05 = 144,789.77 : x
  2. Step 2: Convert to fraction form
    265,648.38/366,595.05 = 144,789.77/x
  3. Step 3: Cross multiply
    265,648.38x = 366,595.05 × 144,789.77
  4. Step 4: Simplify right side
    265,648.38x = 53,079,211,139.66
  5. Step 5: Solve for x
    x = 53,079,211,139.66/265,648.38
  6. Step 6: Final answer
    x = 199,810.03

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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.