Home / 269,505.95-371,731.73-218,520.83

Finding the Fourth Proportional to 269,505.95, 371,731.73 and 218,520.83

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Solution

The fourth proportional to 269,505.95, 371,731.73 and 218,520.83 is: 301,407.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,505.95 : 371,731.73 = 218,520.83 : x
  2. Step 2: Convert to fraction form
    269,505.95/371,731.73 = 218,520.83/x
  3. Step 3: Cross multiply
    269,505.95x = 371,731.73 × 218,520.83
  4. Step 4: Simplify right side
    269,505.95x = 81,231,123,225.67
  5. Step 5: Solve for x
    x = 81,231,123,225.67/269,505.95
  6. Step 6: Final answer
    x = 301,407.54

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1.5x scale

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.