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Finding the Fourth Proportional to 174,361.40, 261,542.10 and 56,044.70

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Solution

The fourth proportional to 174,361.40, 261,542.10 and 56,044.70 is: 84,067.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,361.40 : 261,542.10 = 56,044.70 : x
  2. Step 2: Convert to fraction form
    174,361.40/261,542.10 = 56,044.70/x
  3. Step 3: Cross multiply
    174,361.40x = 261,542.10 × 56,044.70
  4. Step 4: Simplify right side
    174,361.40x = 14,658,048,531.87
  5. Step 5: Solve for x
    x = 14,658,048,531.87/174,361.40
  6. Step 6: Final answer
    x = 84,067.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.