Home / 395,384.46-545,631.60-214,098.66

Finding the Fourth Proportional to 395,384.46, 545,631.60 and 214,098.66

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Solution

The fourth proportional to 395,384.46, 545,631.60 and 214,098.66 is: 295,456.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,384.46 : 545,631.60 = 214,098.66 : x
  2. Step 2: Convert to fraction form
    395,384.46/545,631.60 = 214,098.66/x
  3. Step 3: Cross multiply
    395,384.46x = 545,631.60 × 214,098.66
  4. Step 4: Simplify right side
    395,384.46x = 116,818,994,413.66
  5. Step 5: Solve for x
    x = 116,818,994,413.66/395,384.46
  6. Step 6: Final answer
    x = 295,456.72

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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.