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Finding the Fourth Proportional to 376,702.20, 519,492.27 and 247,413.15

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Solution

The fourth proportional to 376,702.20, 519,492.27 and 247,413.15 is: 341,195.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,702.20 : 519,492.27 = 247,413.15 : x
  2. Step 2: Convert to fraction form
    376,702.20/519,492.27 = 247,413.15/x
  3. Step 3: Cross multiply
    376,702.20x = 519,492.27 × 247,413.15
  4. Step 4: Simplify right side
    376,702.20x = 128,529,218,921.35
  5. Step 5: Solve for x
    x = 128,529,218,921.35/376,702.20
  6. Step 6: Final answer
    x = 341,195.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.