Home / 403,355.25-605,032.92-122,872.50

Finding the Fourth Proportional to 403,355.25, 605,032.92 and 122,872.50

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Solution

The fourth proportional to 403,355.25, 605,032.92 and 122,872.50 is: 184,308.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,355.25 : 605,032.92 = 122,872.50 : x
  2. Step 2: Convert to fraction form
    403,355.25/605,032.92 = 122,872.50/x
  3. Step 3: Cross multiply
    403,355.25x = 605,032.92 × 122,872.50
  4. Step 4: Simplify right side
    403,355.25x = 74,341,907,462.70
  5. Step 5: Solve for x
    x = 74,341,907,462.70/403,355.25
  6. Step 6: Final answer
    x = 184,308.76

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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.