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Finding the Fourth Proportional to 220,597.78, 304,413.80 and 125,113.36

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Solution

The fourth proportional to 220,597.78, 304,413.80 and 125,113.36 is: 172,650.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,597.78 : 304,413.80 = 125,113.36 : x
  2. Step 2: Convert to fraction form
    220,597.78/304,413.80 = 125,113.36/x
  3. Step 3: Cross multiply
    220,597.78x = 304,413.80 × 125,113.36
  4. Step 4: Simplify right side
    220,597.78x = 38,086,233,348.37
  5. Step 5: Solve for x
    x = 38,086,233,348.37/220,597.78
  6. Step 6: Final answer
    x = 172,650.12

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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.