Home / 372,146.16-557,718.05-203,413.04

Finding the Fourth Proportional to 372,146.16, 557,718.05 and 203,413.04

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Solution

The fourth proportional to 372,146.16, 557,718.05 and 203,413.04 is: 304,845.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,146.16 : 557,718.05 = 203,413.04 : x
  2. Step 2: Convert to fraction form
    372,146.16/557,718.05 = 203,413.04/x
  3. Step 3: Cross multiply
    372,146.16x = 557,718.05 × 203,413.04
  4. Step 4: Simplify right side
    372,146.16x = 113,447,120,207.72
  5. Step 5: Solve for x
    x = 113,447,120,207.72/372,146.16
  6. Step 6: Final answer
    x = 304,845.60

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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.