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Finding the Fourth Proportional to 265,705.79, 366,670.96 and 144,844.41

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Solution

The fourth proportional to 265,705.79, 366,670.96 and 144,844.41 is: 199,883.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,705.79 : 366,670.96 = 144,844.41 : x
  2. Step 2: Convert to fraction form
    265,705.79/366,670.96 = 144,844.41/x
  3. Step 3: Cross multiply
    265,705.79x = 366,670.96 × 144,844.41
  4. Step 4: Simplify right side
    265,705.79x = 53,110,238,865.33
  5. Step 5: Solve for x
    x = 53,110,238,865.33/265,705.79
  6. Step 6: Final answer
    x = 199,883.63

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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.