Home / 388,462.29-583,238.60-199,058.75

Finding the Fourth Proportional to 388,462.29, 583,238.60 and 199,058.75

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Solution

The fourth proportional to 388,462.29, 583,238.60 and 199,058.75 is: 298,867.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,462.29 : 583,238.60 = 199,058.75 : x
  2. Step 2: Convert to fraction form
    388,462.29/583,238.60 = 199,058.75/x
  3. Step 3: Cross multiply
    388,462.29x = 583,238.60 × 199,058.75
  4. Step 4: Simplify right side
    388,462.29x = 116,098,746,667.75
  5. Step 5: Solve for x
    x = 116,098,746,667.75/388,462.29
  6. Step 6: Final answer
    x = 298,867.48

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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.