Home / 357,819.50-536,334.78-231,159.80

Finding the Fourth Proportional to 357,819.50, 536,334.78 and 231,159.80

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Solution

The fourth proportional to 357,819.50, 536,334.78 and 231,159.80 is: 346,484.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,819.50 : 536,334.78 = 231,159.80 : x
  2. Step 2: Convert to fraction form
    357,819.50/536,334.78 = 231,159.80/x
  3. Step 3: Cross multiply
    357,819.50x = 536,334.78 × 231,159.80
  4. Step 4: Simplify right side
    357,819.50x = 123,979,040,477.84
  5. Step 5: Solve for x
    x = 123,979,040,477.84/357,819.50
  6. Step 6: Final answer
    x = 346,484.86

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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.