Home / 286,022-393,310.68-248,230.64

Finding the Fourth Proportional to 286,022, 393,310.68 and 248,230.64

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Solution

The fourth proportional to 286,022, 393,310.68 and 248,230.64 is: 341,343.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,022 : 393,310.68 = 248,230.64 : x
  2. Step 2: Convert to fraction form
    286,022/393,310.68 = 248,230.64/x
  3. Step 3: Cross multiply
    286,022x = 393,310.68 × 248,230.64
  4. Step 4: Simplify right side
    286,022x = 97,631,761,815.24
  5. Step 5: Solve for x
    x = 97,631,761,815.24/286,022
  6. Step 6: Final answer
    x = 341,343.54

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1.5x scale

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.