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Finding the Fourth Proportional to 265,494.58, 366,378.26 and 144,637.31

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Solution

The fourth proportional to 265,494.58, 366,378.26 and 144,637.31 is: 199,597.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,494.58 : 366,378.26 = 144,637.31 : x
  2. Step 2: Convert to fraction form
    265,494.58/366,378.26 = 144,637.31/x
  3. Step 3: Cross multiply
    265,494.58x = 366,378.26 × 144,637.31
  4. Step 4: Simplify right side
    265,494.58x = 52,991,966,161.64
  5. Step 5: Solve for x
    x = 52,991,966,161.64/265,494.58
  6. Step 6: Final answer
    x = 199,597.17

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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.