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Finding the Fourth Proportional to 484,496.97, 668,599.27 and 269,636.97

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Solution

The fourth proportional to 484,496.97, 668,599.27 and 269,636.97 is: 372,095.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,496.97 : 668,599.27 = 269,636.97 : x
  2. Step 2: Convert to fraction form
    484,496.97/668,599.27 = 269,636.97/x
  3. Step 3: Cross multiply
    484,496.97x = 668,599.27 × 269,636.97
  4. Step 4: Simplify right side
    484,496.97x = 180,279,081,307.01
  5. Step 5: Solve for x
    x = 180,279,081,307.01/484,496.97
  6. Step 6: Final answer
    x = 372,095.37

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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.