Home / 271,810.53-407,535.84-129,677.75

Finding the Fourth Proportional to 271,810.53, 407,535.84 and 129,677.75

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Solution

The fourth proportional to 271,810.53, 407,535.84 and 129,677.75 is: 194,430.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,810.53 : 407,535.84 = 129,677.75 : x
  2. Step 2: Convert to fraction form
    271,810.53/407,535.84 = 129,677.75/x
  3. Step 3: Cross multiply
    271,810.53x = 407,535.84 × 129,677.75
  4. Step 4: Simplify right side
    271,810.53x = 52,848,328,737.88
  5. Step 5: Solve for x
    x = 52,848,328,737.88/271,810.53
  6. Step 6: Final answer
    x = 194,430.76

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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.