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Finding the Fourth Proportional to 481,342.47, 664,250.22 and 260,579.13

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Solution

The fourth proportional to 481,342.47, 664,250.22 and 260,579.13 is: 359,597.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,342.47 : 664,250.22 = 260,579.13 : x
  2. Step 2: Convert to fraction form
    481,342.47/664,250.22 = 260,579.13/x
  3. Step 3: Cross multiply
    481,342.47x = 664,250.22 × 260,579.13
  4. Step 4: Simplify right side
    481,342.47x = 173,089,744,429.91
  5. Step 5: Solve for x
    x = 173,089,744,429.91/481,342.47
  6. Step 6: Final answer
    x = 359,597.91

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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.