Home / 345,912.46-519,606.20-325,688.18

Finding the Fourth Proportional to 345,912.46, 519,606.20 and 325,688.18

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Solution

The fourth proportional to 345,912.46, 519,606.20 and 325,688.18 is: 489,226.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,912.46 : 519,606.20 = 325,688.18 : x
  2. Step 2: Convert to fraction form
    345,912.46/519,606.20 = 325,688.18/x
  3. Step 3: Cross multiply
    345,912.46x = 519,606.20 × 325,688.18
  4. Step 4: Simplify right side
    345,912.46x = 169,229,595,810.91
  5. Step 5: Solve for x
    x = 169,229,595,810.91/345,912.46
  6. Step 6: Final answer
    x = 489,226.66

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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.