Home / 286,084.22-393,892.62-251,967.02

Finding the Fourth Proportional to 286,084.22, 393,892.62 and 251,967.02

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Solution

The fourth proportional to 286,084.22, 393,892.62 and 251,967.02 is: 346,918.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,084.22 : 393,892.62 = 251,967.02 : x
  2. Step 2: Convert to fraction form
    286,084.22/393,892.62 = 251,967.02/x
  3. Step 3: Cross multiply
    286,084.22x = 393,892.62 × 251,967.02
  4. Step 4: Simplify right side
    286,084.22x = 99,247,949,661.39
  5. Step 5: Solve for x
    x = 99,247,949,661.39/286,084.22
  6. Step 6: Final answer
    x = 346,918.64

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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.