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Finding the Fourth Proportional to 188,413.64, 259,750.96 and 150,302.44

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Solution

The fourth proportional to 188,413.64, 259,750.96 and 150,302.44 is: 207,210.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,413.64 : 259,750.96 = 150,302.44 : x
  2. Step 2: Convert to fraction form
    188,413.64/259,750.96 = 150,302.44/x
  3. Step 3: Cross multiply
    188,413.64x = 259,750.96 × 150,302.44
  4. Step 4: Simplify right side
    188,413.64x = 39,041,203,080.34
  5. Step 5: Solve for x
    x = 39,041,203,080.34/188,413.64
  6. Step 6: Final answer
    x = 207,210.07

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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.