Home / 389,049.18-583,354.89-122,760.06

Finding the Fourth Proportional to 389,049.18, 583,354.89 and 122,760.06

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Solution

The fourth proportional to 389,049.18, 583,354.89 and 122,760.06 is: 184,071.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,049.18 : 583,354.89 = 122,760.06 : x
  2. Step 2: Convert to fraction form
    389,049.18/583,354.89 = 122,760.06/x
  3. Step 3: Cross multiply
    389,049.18x = 583,354.89 × 122,760.06
  4. Step 4: Simplify right side
    389,049.18x = 71,612,681,297.69
  5. Step 5: Solve for x
    x = 71,612,681,297.69/389,049.18
  6. Step 6: Final answer
    x = 184,071.02

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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.