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Finding the Fourth Proportional to 484,829.20, 669,084 and 269,955.64

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Solution

The fourth proportional to 484,829.20, 669,084 and 269,955.64 is: 372,549.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,829.20 : 669,084 = 269,955.64 : x
  2. Step 2: Convert to fraction form
    484,829.20/669,084 = 269,955.64/x
  3. Step 3: Cross multiply
    484,829.20x = 669,084 × 269,955.64
  4. Step 4: Simplify right side
    484,829.20x = 180,622,999,433.76
  5. Step 5: Solve for x
    x = 180,622,999,433.76/484,829.20
  6. Step 6: Final answer
    x = 372,549.75

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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.