Home / 454,583.63-681,902.78-139,043.27

Finding the Fourth Proportional to 454,583.63, 681,902.78 and 139,043.27

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Solution

The fourth proportional to 454,583.63, 681,902.78 and 139,043.27 is: 208,573.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,583.63 : 681,902.78 = 139,043.27 : x
  2. Step 2: Convert to fraction form
    454,583.63/681,902.78 = 139,043.27/x
  3. Step 3: Cross multiply
    454,583.63x = 681,902.78 × 139,043.27
  4. Step 4: Simplify right side
    454,583.63x = 94,813,988,248.56
  5. Step 5: Solve for x
    x = 94,813,988,248.56/454,583.63
  6. Step 6: Final answer
    x = 208,573.26

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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.