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Finding the Fourth Proportional to 244,413.44, 366,678.48 and 86,655.68

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Solution

The fourth proportional to 244,413.44, 366,678.48 and 86,655.68 is: 130,004.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,413.44 : 366,678.48 = 86,655.68 : x
  2. Step 2: Convert to fraction form
    244,413.44/366,678.48 = 86,655.68/x
  3. Step 3: Cross multiply
    244,413.44x = 366,678.48 × 86,655.68
  4. Step 4: Simplify right side
    244,413.44x = 31,774,773,025.77
  5. Step 5: Solve for x
    x = 31,774,773,025.77/244,413.44
  6. Step 6: Final answer
    x = 130,004.20

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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.