Home / 268,913.44-403,366.51-91,544.10

Finding the Fourth Proportional to 268,913.44, 403,366.51 and 91,544.10

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Solution

The fourth proportional to 268,913.44, 403,366.51 and 91,544.10 is: 137,314.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,913.44 : 403,366.51 = 91,544.10 : x
  2. Step 2: Convert to fraction form
    268,913.44/403,366.51 = 91,544.10/x
  3. Step 3: Cross multiply
    268,913.44x = 403,366.51 × 91,544.10
  4. Step 4: Simplify right side
    268,913.44x = 36,925,824,128.09
  5. Step 5: Solve for x
    x = 36,925,824,128.09/268,913.44
  6. Step 6: Final answer
    x = 137,314.91

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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.