Home / 454,470.14-681,631.38-214,583.58

Finding the Fourth Proportional to 454,470.14, 681,631.38 and 214,583.58

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Solution

The fourth proportional to 454,470.14, 681,631.38 and 214,583.58 is: 321,840.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,470.14 : 681,631.38 = 214,583.58 : x
  2. Step 2: Convert to fraction form
    454,470.14/681,631.38 = 214,583.58/x
  3. Step 3: Cross multiply
    454,470.14x = 681,631.38 × 214,583.58
  4. Step 4: Simplify right side
    454,470.14x = 146,266,897,279.67
  5. Step 5: Solve for x
    x = 146,266,897,279.67/454,470.14
  6. Step 6: Final answer
    x = 321,840.50

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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.