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Finding the Fourth Proportional to 612,513.96, 918,698.04 and 163,268.52

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Solution

The fourth proportional to 612,513.96, 918,698.04 and 163,268.52 is: 244,883.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,513.96 : 918,698.04 = 163,268.52 : x
  2. Step 2: Convert to fraction form
    612,513.96/918,698.04 = 163,268.52/x
  3. Step 3: Cross multiply
    612,513.96x = 918,698.04 × 163,268.52
  4. Step 4: Simplify right side
    612,513.96x = 149,994,469,317.70
  5. Step 5: Solve for x
    x = 149,994,469,317.70/612,513.96
  6. Step 6: Final answer
    x = 244,883.35

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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.