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Finding the Fourth Proportional to 268,438.92, 370,445.94 and 147,588

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Solution

The fourth proportional to 268,438.92, 370,445.94 and 147,588 is: 203,671.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,438.92 : 370,445.94 = 147,588 : x
  2. Step 2: Convert to fraction form
    268,438.92/370,445.94 = 147,588/x
  3. Step 3: Cross multiply
    268,438.92x = 370,445.94 × 147,588
  4. Step 4: Simplify right side
    268,438.92x = 54,673,375,392.72
  5. Step 5: Solve for x
    x = 54,673,375,392.72/268,438.92
  6. Step 6: Final answer
    x = 203,671.57

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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.