Home / 345,563.27-519,926.03-205,426.79

Finding the Fourth Proportional to 345,563.27, 519,926.03 and 205,426.79

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Solution

The fourth proportional to 345,563.27, 519,926.03 and 205,426.79 is: 309,080.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,563.27 : 519,926.03 = 205,426.79 : x
  2. Step 2: Convert to fraction form
    345,563.27/519,926.03 = 205,426.79/x
  3. Step 3: Cross multiply
    345,563.27x = 519,926.03 × 205,426.79
  4. Step 4: Simplify right side
    345,563.27x = 106,806,735,380.34
  5. Step 5: Solve for x
    x = 106,806,735,380.34/345,563.27
  6. Step 6: Final answer
    x = 309,080.12

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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.