Home / 346,974.33-520,391.78-122,343.92

Finding the Fourth Proportional to 346,974.33, 520,391.78 and 122,343.92

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Solution

The fourth proportional to 346,974.33, 520,391.78 and 122,343.92 is: 183,491.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,974.33 : 520,391.78 = 122,343.92 : x
  2. Step 2: Convert to fraction form
    346,974.33/520,391.78 = 122,343.92/x
  3. Step 3: Cross multiply
    346,974.33x = 520,391.78 × 122,343.92
  4. Step 4: Simplify right side
    346,974.33x = 63,666,770,300.98
  5. Step 5: Solve for x
    x = 63,666,770,300.98/346,974.33
  6. Step 6: Final answer
    x = 183,491.30

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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.