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Finding the Fourth Proportional to 499,899.26, 749,705.52 and 162,969.32

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Solution

The fourth proportional to 499,899.26, 749,705.52 and 162,969.32 is: 244,407.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,899.26 : 749,705.52 = 162,969.32 : x
  2. Step 2: Convert to fraction form
    499,899.26/749,705.52 = 162,969.32/x
  3. Step 3: Cross multiply
    499,899.26x = 749,705.52 × 162,969.32
  4. Step 4: Simplify right side
    499,899.26x = 122,178,998,794.65
  5. Step 5: Solve for x
    x = 122,178,998,794.65/499,899.26
  6. Step 6: Final answer
    x = 244,407.24

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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.