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Finding the Fourth Proportional to 268,402.70, 370,396.92 and 147,551.77

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Solution

The fourth proportional to 268,402.70, 370,396.92 and 147,551.77 is: 203,622.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,402.70 : 370,396.92 = 147,551.77 : x
  2. Step 2: Convert to fraction form
    268,402.70/370,396.92 = 147,551.77/x
  3. Step 3: Cross multiply
    268,402.70x = 370,396.92 × 147,551.77
  4. Step 4: Simplify right side
    268,402.70x = 54,652,721,148.55
  5. Step 5: Solve for x
    x = 54,652,721,148.55/268,402.70
  6. Step 6: Final answer
    x = 203,622.10

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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.