Home / 274,575.18-378,887.31-153,706.98

Finding the Fourth Proportional to 274,575.18, 378,887.31 and 153,706.98

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Solution

The fourth proportional to 274,575.18, 378,887.31 and 153,706.98 is: 212,100.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,575.18 : 378,887.31 = 153,706.98 : x
  2. Step 2: Convert to fraction form
    274,575.18/378,887.31 = 153,706.98/x
  3. Step 3: Cross multiply
    274,575.18x = 378,887.31 × 153,706.98
  4. Step 4: Simplify right side
    274,575.18x = 58,237,624,180.42
  5. Step 5: Solve for x
    x = 58,237,624,180.42/274,575.18
  6. Step 6: Final answer
    x = 212,100.83

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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.