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Finding the Fourth Proportional to 265,645.54, 366,591.12 and 144,786.92

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Solution

The fourth proportional to 265,645.54, 366,591.12 and 144,786.92 is: 199,806.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,645.54 : 366,591.12 = 144,786.92 : x
  2. Step 2: Convert to fraction form
    265,645.54/366,591.12 = 144,786.92/x
  3. Step 3: Cross multiply
    265,645.54x = 366,591.12 × 144,786.92
  4. Step 4: Simplify right side
    265,645.54x = 53,077,599,164.15
  5. Step 5: Solve for x
    x = 53,077,599,164.15/265,645.54
  6. Step 6: Final answer
    x = 199,806.10

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1.5x scale

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.