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Finding the Fourth Proportional to 265,565.55, 366,475.71 and 144,707.88

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Solution

The fourth proportional to 265,565.55, 366,475.71 and 144,707.88 is: 199,694.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,565.55 : 366,475.71 = 144,707.88 : x
  2. Step 2: Convert to fraction form
    265,565.55/366,475.71 = 144,707.88/x
  3. Step 3: Cross multiply
    265,565.55x = 366,475.71 × 144,707.88
  4. Step 4: Simplify right side
    265,565.55x = 53,031,923,065.59
  5. Step 5: Solve for x
    x = 53,031,923,065.59/265,565.55
  6. Step 6: Final answer
    x = 199,694.29

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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.