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Finding the Fourth Proportional to 608,951.82, 913,515.24 and 188,260.50

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Solution

The fourth proportional to 608,951.82, 913,515.24 and 188,260.50 is: 282,417.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,951.82 : 913,515.24 = 188,260.50 : x
  2. Step 2: Convert to fraction form
    608,951.82/913,515.24 = 188,260.50/x
  3. Step 3: Cross multiply
    608,951.82x = 913,515.24 × 188,260.50
  4. Step 4: Simplify right side
    608,951.82x = 171,978,835,840.02
  5. Step 5: Solve for x
    x = 171,978,835,840.02/608,951.82
  6. Step 6: Final answer
    x = 282,417.80

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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.