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Finding the Fourth Proportional to 268,479.96, 370,511.86 and 147,630.44

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Solution

The fourth proportional to 268,479.96, 370,511.86 and 147,630.44 is: 203,735.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,479.96 : 370,511.86 = 147,630.44 : x
  2. Step 2: Convert to fraction form
    268,479.96/370,511.86 = 147,630.44/x
  3. Step 3: Cross multiply
    268,479.96x = 370,511.86 × 147,630.44
  4. Step 4: Simplify right side
    268,479.96x = 54,698,828,917.02
  5. Step 5: Solve for x
    x = 54,698,828,917.02/268,479.96
  6. Step 6: Final answer
    x = 203,735.24

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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.