Home / 238,413.96-328,997.64-130,981.85

Finding the Fourth Proportional to 238,413.96, 328,997.64 and 130,981.85

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Solution

The fourth proportional to 238,413.96, 328,997.64 and 130,981.85 is: 180,747.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,413.96 : 328,997.64 = 130,981.85 : x
  2. Step 2: Convert to fraction form
    238,413.96/328,997.64 = 130,981.85/x
  3. Step 3: Cross multiply
    238,413.96x = 328,997.64 × 130,981.85
  4. Step 4: Simplify right side
    238,413.96x = 43,092,717,887.85
  5. Step 5: Solve for x
    x = 43,092,717,887.85/238,413.96
  6. Step 6: Final answer
    x = 180,747.46

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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.