Home / 375,979.84-518,942.64-255,322.24

Finding the Fourth Proportional to 375,979.84, 518,942.64 and 255,322.24

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Solution

The fourth proportional to 375,979.84, 518,942.64 and 255,322.24 is: 352,406.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,979.84 : 518,942.64 = 255,322.24 : x
  2. Step 2: Convert to fraction form
    375,979.84/518,942.64 = 255,322.24/x
  3. Step 3: Cross multiply
    375,979.84x = 518,942.64 × 255,322.24
  4. Step 4: Simplify right side
    375,979.84x = 132,497,597,276.31
  5. Step 5: Solve for x
    x = 132,497,597,276.31/375,979.84
  6. Step 6: Final answer
    x = 352,406.12

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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.