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Finding the Fourth Proportional to 484,450, 668,541 and 272,482

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Solution

The fourth proportional to 484,450, 668,541 and 272,482 is: 376,025.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,450 : 668,541 = 272,482 : x
  2. Step 2: Convert to fraction form
    484,450/668,541 = 272,482/x
  3. Step 3: Cross multiply
    484,450x = 668,541 × 272,482
  4. Step 4: Simplify right side
    484,450x = 182,165,388,762
  5. Step 5: Solve for x
    x = 182,165,388,762/484,450
  6. Step 6: Final answer
    x = 376,025.16

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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.