Home / 316,838.03-475,251.83-76,953.90

Finding the Fourth Proportional to 316,838.03, 475,251.83 and 76,953.90

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Solution

The fourth proportional to 316,838.03, 475,251.83 and 76,953.90 is: 115,429.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,838.03 : 475,251.83 = 76,953.90 : x
  2. Step 2: Convert to fraction form
    316,838.03/475,251.83 = 76,953.90/x
  3. Step 3: Cross multiply
    316,838.03x = 475,251.83 × 76,953.90
  4. Step 4: Simplify right side
    316,838.03x = 36,572,481,029.78
  5. Step 5: Solve for x
    x = 36,572,481,029.78/316,838.03
  6. Step 6: Final answer
    x = 115,429.58

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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.