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Finding the Fourth Proportional to 268,252.76, 370,221.00 and 160,881.86

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Solution

The fourth proportional to 268,252.76, 370,221.00 and 160,881.86 is: 222,036.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,252.76 : 370,221.00 = 160,881.86 : x
  2. Step 2: Convert to fraction form
    268,252.76/370,221.00 = 160,881.86/x
  3. Step 3: Cross multiply
    268,252.76x = 370,221.00 × 160,881.86
  4. Step 4: Simplify right side
    268,252.76x = 59,561,843,413.31
  5. Step 5: Solve for x
    x = 59,561,843,413.31/268,252.76
  6. Step 6: Final answer
    x = 222,036.27

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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.