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Finding the Fourth Proportional to 250,185.06, 345,252.78 and 135,461.72

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Solution

The fourth proportional to 250,185.06, 345,252.78 and 135,461.72 is: 186,935.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,185.06 : 345,252.78 = 135,461.72 : x
  2. Step 2: Convert to fraction form
    250,185.06/345,252.78 = 135,461.72/x
  3. Step 3: Cross multiply
    250,185.06x = 345,252.78 × 135,461.72
  4. Step 4: Simplify right side
    250,185.06x = 46,768,535,413.58
  5. Step 5: Solve for x
    x = 46,768,535,413.58/250,185.06
  6. Step 6: Final answer
    x = 186,935.76

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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.