Home / 306,506.43-459,971.06-106,828.47

Finding the Fourth Proportional to 306,506.43, 459,971.06 and 106,828.47

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Solution

The fourth proportional to 306,506.43, 459,971.06 and 106,828.47 is: 160,316.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,506.43 : 459,971.06 = 106,828.47 : x
  2. Step 2: Convert to fraction form
    306,506.43/459,971.06 = 106,828.47/x
  3. Step 3: Cross multiply
    306,506.43x = 459,971.06 × 106,828.47
  4. Step 4: Simplify right side
    306,506.43x = 49,138,004,049.94
  5. Step 5: Solve for x
    x = 49,138,004,049.94/306,506.43
  6. Step 6: Final answer
    x = 160,316.39

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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.