Home / 389,160.20-583,757.76-119,268.56

Finding the Fourth Proportional to 389,160.20, 583,757.76 and 119,268.56

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Solution

The fourth proportional to 389,160.20, 583,757.76 and 119,268.56 is: 178,908.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,160.20 : 583,757.76 = 119,268.56 : x
  2. Step 2: Convert to fraction form
    389,160.20/583,757.76 = 119,268.56/x
  3. Step 3: Cross multiply
    389,160.20x = 583,757.76 × 119,268.56
  4. Step 4: Simplify right side
    389,160.20x = 69,623,947,424.03
  5. Step 5: Solve for x
    x = 69,623,947,424.03/389,160.20
  6. Step 6: Final answer
    x = 178,908.19

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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.