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Finding the Fourth Proportional to 371,413.08, 512,581.78 and 210,296.52

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Solution

The fourth proportional to 371,413.08, 512,581.78 and 210,296.52 is: 290,227.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,413.08 : 512,581.78 = 210,296.52 : x
  2. Step 2: Convert to fraction form
    371,413.08/512,581.78 = 210,296.52/x
  3. Step 3: Cross multiply
    371,413.08x = 512,581.78 × 210,296.52
  4. Step 4: Simplify right side
    371,413.08x = 107,794,164,549.41
  5. Step 5: Solve for x
    x = 107,794,164,549.41/371,413.08
  6. Step 6: Final answer
    x = 290,227.16

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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.