Home / 369,997.08-553,413.66-308,835.18

Finding the Fourth Proportional to 369,997.08, 553,413.66 and 308,835.18

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Solution

The fourth proportional to 369,997.08, 553,413.66 and 308,835.18 is: 461,932.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,997.08 : 553,413.66 = 308,835.18 : x
  2. Step 2: Convert to fraction form
    369,997.08/553,413.66 = 308,835.18/x
  3. Step 3: Cross multiply
    369,997.08x = 553,413.66 × 308,835.18
  4. Step 4: Simplify right side
    369,997.08x = 170,913,607,300.56
  5. Step 5: Solve for x
    x = 170,913,607,300.56/369,997.08
  6. Step 6: Final answer
    x = 461,932.31

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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.