Home / 379,049.25-522,465.03-268,705.50

Finding the Fourth Proportional to 379,049.25, 522,465.03 and 268,705.50

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Solution

The fourth proportional to 379,049.25, 522,465.03 and 268,705.50 is: 370,372.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,049.25 : 522,465.03 = 268,705.50 : x
  2. Step 2: Convert to fraction form
    379,049.25/522,465.03 = 268,705.50/x
  3. Step 3: Cross multiply
    379,049.25x = 522,465.03 × 268,705.50
  4. Step 4: Simplify right side
    379,049.25x = 140,389,227,118.67
  5. Step 5: Solve for x
    x = 140,389,227,118.67/379,049.25
  6. Step 6: Final answer
    x = 370,372.00

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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.