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Finding the Fourth Proportional to 255,565.43, 352,682.70 and 140,848.21

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Solution

The fourth proportional to 255,565.43, 352,682.70 and 140,848.21 is: 194,371.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,565.43 : 352,682.70 = 140,848.21 : x
  2. Step 2: Convert to fraction form
    255,565.43/352,682.70 = 140,848.21/x
  3. Step 3: Cross multiply
    255,565.43x = 352,682.70 × 140,848.21
  4. Step 4: Simplify right side
    255,565.43x = 49,674,724,525.31
  5. Step 5: Solve for x
    x = 49,674,724,525.31/255,565.43
  6. Step 6: Final answer
    x = 194,371.85

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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.