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Finding the Fourth Proportional to 265,565.61, 366,480.60 and 144,706.92

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Solution

The fourth proportional to 265,565.61, 366,480.60 and 144,706.92 is: 199,695.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,565.61 : 366,480.60 = 144,706.92 : x
  2. Step 2: Convert to fraction form
    265,565.61/366,480.60 = 144,706.92/x
  3. Step 3: Cross multiply
    265,565.61x = 366,480.60 × 144,706.92
  4. Step 4: Simplify right side
    265,565.61x = 53,032,278,865.75
  5. Step 5: Solve for x
    x = 53,032,278,865.75/265,565.61
  6. Step 6: Final answer
    x = 199,695.58

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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.