Home / 407,861.33-562,938.66-226,635.57

Finding the Fourth Proportional to 407,861.33, 562,938.66 and 226,635.57

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Solution

The fourth proportional to 407,861.33, 562,938.66 and 226,635.57 is: 312,807.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,861.33 : 562,938.66 = 226,635.57 : x
  2. Step 2: Convert to fraction form
    407,861.33/562,938.66 = 226,635.57/x
  3. Step 3: Cross multiply
    407,861.33x = 562,938.66 × 226,635.57
  4. Step 4: Simplify right side
    407,861.33x = 127,581,924,084.14
  5. Step 5: Solve for x
    x = 127,581,924,084.14/407,861.33
  6. Step 6: Final answer
    x = 312,807.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.