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Finding the Fourth Proportional to 484,686.64, 668,889.39 and 269,840.17

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Solution

The fourth proportional to 484,686.64, 668,889.39 and 269,840.17 is: 372,391.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,686.64 : 668,889.39 = 269,840.17 : x
  2. Step 2: Convert to fraction form
    484,686.64/668,889.39 = 269,840.17/x
  3. Step 3: Cross multiply
    484,686.64x = 668,889.39 × 269,840.17
  4. Step 4: Simplify right side
    484,686.64x = 180,493,226,708.80
  5. Step 5: Solve for x
    x = 180,493,226,708.80/484,686.64
  6. Step 6: Final answer
    x = 372,391.59

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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.