Home / 403,741.10-605,611.65-137,413.10

Finding the Fourth Proportional to 403,741.10, 605,611.65 and 137,413.10

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Solution

The fourth proportional to 403,741.10, 605,611.65 and 137,413.10 is: 206,119.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,741.10 : 605,611.65 = 137,413.10 : x
  2. Step 2: Convert to fraction form
    403,741.10/605,611.65 = 137,413.10/x
  3. Step 3: Cross multiply
    403,741.10x = 605,611.65 × 137,413.10
  4. Step 4: Simplify right side
    403,741.10x = 83,218,974,222.62
  5. Step 5: Solve for x
    x = 83,218,974,222.62/403,741.10
  6. Step 6: Final answer
    x = 206,119.65

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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.