Home / 390,861.27-586,377.97-222,460.85

Finding the Fourth Proportional to 390,861.27, 586,377.97 and 222,460.85

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Solution

The fourth proportional to 390,861.27, 586,377.97 and 222,460.85 is: 333,740.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    390,861.27 : 586,377.97 = 222,460.85 : x
  2. Step 2: Convert to fraction form
    390,861.27/586,377.97 = 222,460.85/x
  3. Step 3: Cross multiply
    390,861.27x = 586,377.97 × 222,460.85
  4. Step 4: Simplify right side
    390,861.27x = 130,446,142,537.27
  5. Step 5: Solve for x
    x = 130,446,142,537.27/390,861.27
  6. Step 6: Final answer
    x = 333,740.26

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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.