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Finding the Fourth Proportional to 484,759.82, 668,980.29 and 269,914.40

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Solution

The fourth proportional to 484,759.82, 668,980.29 and 269,914.40 is: 372,488.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,759.82 : 668,980.29 = 269,914.40 : x
  2. Step 2: Convert to fraction form
    484,759.82/668,980.29 = 269,914.40/x
  3. Step 3: Cross multiply
    484,759.82x = 668,980.29 × 269,914.40
  4. Step 4: Simplify right side
    484,759.82x = 180,567,410,242.28
  5. Step 5: Solve for x
    x = 180,567,410,242.28/484,759.82
  6. Step 6: Final answer
    x = 372,488.40

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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.