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Finding the Fourth Proportional to 484,469.86, 668,559.08 and 269,609.62

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Solution

The fourth proportional to 484,469.86, 668,559.08 and 269,609.62 is: 372,056.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,469.86 : 668,559.08 = 269,609.62 : x
  2. Step 2: Convert to fraction form
    484,469.86/668,559.08 = 269,609.62/x
  3. Step 3: Cross multiply
    484,469.86x = 668,559.08 × 269,609.62
  4. Step 4: Simplify right side
    484,469.86x = 180,249,959,506.35
  5. Step 5: Solve for x
    x = 180,249,959,506.35/484,469.86
  6. Step 6: Final answer
    x = 372,056.09

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1.5x scale

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.