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Finding the Fourth Proportional to 608,992.60, 913,423.27 and 159,758.50

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Solution

The fourth proportional to 608,992.60, 913,423.27 and 159,758.50 is: 239,620.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,992.60 : 913,423.27 = 159,758.50 : x
  2. Step 2: Convert to fraction form
    608,992.60/913,423.27 = 159,758.50/x
  3. Step 3: Cross multiply
    608,992.60x = 913,423.27 × 159,758.50
  4. Step 4: Simplify right side
    608,992.60x = 145,927,131,480.30
  5. Step 5: Solve for x
    x = 145,927,131,480.30/608,992.60
  6. Step 6: Final answer
    x = 239,620.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.