Home / 454,314.90-681,788.55-188,076.81

Finding the Fourth Proportional to 454,314.90, 681,788.55 and 188,076.81

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Solution

The fourth proportional to 454,314.90, 681,788.55 and 188,076.81 is: 282,246.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,314.90 : 681,788.55 = 188,076.81 : x
  2. Step 2: Convert to fraction form
    454,314.90/681,788.55 = 188,076.81/x
  3. Step 3: Cross multiply
    454,314.90x = 681,788.55 × 188,076.81
  4. Step 4: Simplify right side
    454,314.90x = 128,228,615,578.53
  5. Step 5: Solve for x
    x = 128,228,615,578.53/454,314.90
  6. Step 6: Final answer
    x = 282,246.12

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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.