Home / 306,629.03-459,907.32-82,006.87

Finding the Fourth Proportional to 306,629.03, 459,907.32 and 82,006.87

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Solution

The fourth proportional to 306,629.03, 459,907.32 and 82,006.87 is: 123,000.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,629.03 : 459,907.32 = 82,006.87 : x
  2. Step 2: Convert to fraction form
    306,629.03/459,907.32 = 82,006.87/x
  3. Step 3: Cross multiply
    306,629.03x = 459,907.32 × 82,006.87
  4. Step 4: Simplify right side
    306,629.03x = 37,715,559,803.29
  5. Step 5: Solve for x
    x = 37,715,559,803.29/306,629.03
  6. Step 6: Final answer
    x = 123,000.62

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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.