Home / 389,418.57-584,160.66-123,173.19

Finding the Fourth Proportional to 389,418.57, 584,160.66 and 123,173.19

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Solution

The fourth proportional to 389,418.57, 584,160.66 and 123,173.19 is: 184,770.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,418.57 : 584,160.66 = 123,173.19 : x
  2. Step 2: Convert to fraction form
    389,418.57/584,160.66 = 123,173.19/x
  3. Step 3: Cross multiply
    389,418.57x = 584,160.66 × 123,173.19
  4. Step 4: Simplify right side
    389,418.57x = 71,952,931,964.71
  5. Step 5: Solve for x
    x = 71,952,931,964.71/389,418.57
  6. Step 6: Final answer
    x = 184,770.16

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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.