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Finding the Fourth Proportional to 510,400.22, 765,600.34 and 136,413.50

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Solution

The fourth proportional to 510,400.22, 765,600.34 and 136,413.50 is: 204,620.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,400.22 : 765,600.34 = 136,413.50 : x
  2. Step 2: Convert to fraction form
    510,400.22/765,600.34 = 136,413.50/x
  3. Step 3: Cross multiply
    510,400.22x = 765,600.34 × 136,413.50
  4. Step 4: Simplify right side
    510,400.22x = 104,438,221,980.59
  5. Step 5: Solve for x
    x = 104,438,221,980.59/510,400.22
  6. Step 6: Final answer
    x = 204,620.25

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Similar ratio
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1.5x scale

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.