Home / 234,272.14-351,405.09-56,780.69

Finding the Fourth Proportional to 234,272.14, 351,405.09 and 56,780.69

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Solution

The fourth proportional to 234,272.14, 351,405.09 and 56,780.69 is: 85,170.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,272.14 : 351,405.09 = 56,780.69 : x
  2. Step 2: Convert to fraction form
    234,272.14/351,405.09 = 56,780.69/x
  3. Step 3: Cross multiply
    234,272.14x = 351,405.09 × 56,780.69
  4. Step 4: Simplify right side
    234,272.14x = 19,953,021,722.69
  5. Step 5: Solve for x
    x = 19,953,021,722.69/234,272.14
  6. Step 6: Final answer
    x = 85,170.27

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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.