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Finding the Fourth Proportional to 371,179.79, 512,229.47 and 201,413.91

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Solution

The fourth proportional to 371,179.79, 512,229.47 and 201,413.91 is: 277,951.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,179.79 : 512,229.47 = 201,413.91 : x
  2. Step 2: Convert to fraction form
    371,179.79/512,229.47 = 201,413.91/x
  3. Step 3: Cross multiply
    371,179.79x = 512,229.47 × 201,413.91
  4. Step 4: Simplify right side
    371,179.79x = 103,170,139,362.86
  5. Step 5: Solve for x
    x = 103,170,139,362.86/371,179.79
  6. Step 6: Final answer
    x = 277,951.93

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1.5x scale

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.