Home / 286,892.24-430,387.52-87,232.64

Finding the Fourth Proportional to 286,892.24, 430,387.52 and 87,232.64

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Solution

The fourth proportional to 286,892.24, 430,387.52 and 87,232.64 is: 130,863.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,892.24 : 430,387.52 = 87,232.64 : x
  2. Step 2: Convert to fraction form
    286,892.24/430,387.52 = 87,232.64/x
  3. Step 3: Cross multiply
    286,892.24x = 430,387.52 × 87,232.64
  4. Step 4: Simplify right side
    286,892.24x = 37,543,839,592.65
  5. Step 5: Solve for x
    x = 37,543,839,592.65/286,892.24
  6. Step 6: Final answer
    x = 130,863.91

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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.