Home / 403,437.30-605,155.33-122,954.55

Finding the Fourth Proportional to 403,437.30, 605,155.33 and 122,954.55

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Solution

The fourth proportional to 403,437.30, 605,155.33 and 122,954.55 is: 184,431.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,437.30 : 605,155.33 = 122,954.55 : x
  2. Step 2: Convert to fraction form
    403,437.30/605,155.33 = 122,954.55/x
  3. Step 3: Cross multiply
    403,437.30x = 605,155.33 × 122,954.55
  4. Step 4: Simplify right side
    403,437.30x = 74,406,601,280.25
  5. Step 5: Solve for x
    x = 74,406,601,280.25/403,437.30
  6. Step 6: Final answer
    x = 184,431.64

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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.