Home / 286,089.24-393,899.52-251,972.04

Finding the Fourth Proportional to 286,089.24, 393,899.52 and 251,972.04

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Solution

The fourth proportional to 286,089.24, 393,899.52 and 251,972.04 is: 346,925.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,089.24 : 393,899.52 = 251,972.04 : x
  2. Step 2: Convert to fraction form
    286,089.24/393,899.52 = 251,972.04/x
  3. Step 3: Cross multiply
    286,089.24x = 393,899.52 × 251,972.04
  4. Step 4: Simplify right side
    286,089.24x = 99,251,665,609.42
  5. Step 5: Solve for x
    x = 99,251,665,609.42/286,089.24
  6. Step 6: Final answer
    x = 346,925.55

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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.