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Finding the Fourth Proportional to 265,584.20, 366,501.65 and 144,726.53

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Solution

The fourth proportional to 265,584.20, 366,501.65 and 144,726.53 is: 199,720.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,584.20 : 366,501.65 = 144,726.53 : x
  2. Step 2: Convert to fraction form
    265,584.20/366,501.65 = 144,726.53/x
  3. Step 3: Cross multiply
    265,584.20x = 366,501.65 × 144,726.53
  4. Step 4: Simplify right side
    265,584.20x = 53,042,509,487.63
  5. Step 5: Solve for x
    x = 53,042,509,487.63/265,584.20
  6. Step 6: Final answer
    x = 199,720.13

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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.