Home / 389,137.16-583,674.57-173,062.79

Finding the Fourth Proportional to 389,137.16, 583,674.57 and 173,062.79

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Solution

The fourth proportional to 389,137.16, 583,674.57 and 173,062.79 is: 259,580.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,137.16 : 583,674.57 = 173,062.79 : x
  2. Step 2: Convert to fraction form
    389,137.16/583,674.57 = 173,062.79/x
  3. Step 3: Cross multiply
    389,137.16x = 583,674.57 × 173,062.79
  4. Step 4: Simplify right side
    389,137.16x = 101,012,350,550.03
  5. Step 5: Solve for x
    x = 101,012,350,550.03/389,137.16
  6. Step 6: Final answer
    x = 259,580.33

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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.