Home / 515,413.11-772,934.41-178,362.24

Finding the Fourth Proportional to 515,413.11, 772,934.41 and 178,362.24

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Solution

The fourth proportional to 515,413.11, 772,934.41 and 178,362.24 is: 267,479.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,413.11 : 772,934.41 = 178,362.24 : x
  2. Step 2: Convert to fraction form
    515,413.11/772,934.41 = 178,362.24/x
  3. Step 3: Cross multiply
    515,413.11x = 772,934.41 × 178,362.24
  4. Step 4: Simplify right side
    515,413.11x = 137,862,310,065.13
  5. Step 5: Solve for x
    x = 137,862,310,065.13/515,413.11
  6. Step 6: Final answer
    x = 267,479.24

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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.