Home / 273,835.78-377,889.20-152,978.80

Finding the Fourth Proportional to 273,835.78, 377,889.20 and 152,978.80

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Solution

The fourth proportional to 273,835.78, 377,889.20 and 152,978.80 is: 211,108.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,835.78 : 377,889.20 = 152,978.80 : x
  2. Step 2: Convert to fraction form
    273,835.78/377,889.20 = 152,978.80/x
  3. Step 3: Cross multiply
    273,835.78x = 377,889.20 × 152,978.80
  4. Step 4: Simplify right side
    273,835.78x = 57,809,036,348.96
  5. Step 5: Solve for x
    x = 57,809,036,348.96/273,835.78
  6. Step 6: Final answer
    x = 211,108.41

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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.