Home / 286,086.22-393,895.38-251,969.02

Finding the Fourth Proportional to 286,086.22, 393,895.38 and 251,969.02

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Solution

The fourth proportional to 286,086.22, 393,895.38 and 251,969.02 is: 346,921.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,086.22 : 393,895.38 = 251,969.02 : x
  2. Step 2: Convert to fraction form
    286,086.22/393,895.38 = 251,969.02/x
  3. Step 3: Cross multiply
    286,086.22x = 393,895.38 × 251,969.02
  4. Step 4: Simplify right side
    286,086.22x = 99,249,432,881.13
  5. Step 5: Solve for x
    x = 99,249,432,881.13/286,086.22
  6. Step 6: Final answer
    x = 346,921.40

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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.