Home / 331,413.60-496,848.24-131,648.16

Finding the Fourth Proportional to 331,413.60, 496,848.24 and 131,648.16

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Solution

The fourth proportional to 331,413.60, 496,848.24 and 131,648.16 is: 197,364.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,413.60 : 496,848.24 = 131,648.16 : x
  2. Step 2: Convert to fraction form
    331,413.60/496,848.24 = 131,648.16/x
  3. Step 3: Cross multiply
    331,413.60x = 496,848.24 × 131,648.16
  4. Step 4: Simplify right side
    331,413.60x = 65,409,156,595.24
  5. Step 5: Solve for x
    x = 65,409,156,595.24/331,413.60
  6. Step 6: Final answer
    x = 197,364.13

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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.