Home / 249,413.67-374,155.74-80,877.38

Finding the Fourth Proportional to 249,413.67, 374,155.74 and 80,877.38

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Solution

The fourth proportional to 249,413.67, 374,155.74 and 80,877.38 is: 121,327.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,413.67 : 374,155.74 = 80,877.38 : x
  2. Step 2: Convert to fraction form
    249,413.67/374,155.74 = 80,877.38/x
  3. Step 3: Cross multiply
    249,413.67x = 374,155.74 × 80,877.38
  4. Step 4: Simplify right side
    249,413.67x = 30,260,734,092.38
  5. Step 5: Solve for x
    x = 30,260,734,092.38/249,413.67
  6. Step 6: Final answer
    x = 121,327.49

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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.