Home / 405,861.90-560,090.08-224,581.48

Finding the Fourth Proportional to 405,861.90, 560,090.08 and 224,581.48

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Solution

The fourth proportional to 405,861.90, 560,090.08 and 224,581.48 is: 309,922.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,861.90 : 560,090.08 = 224,581.48 : x
  2. Step 2: Convert to fraction form
    405,861.90/560,090.08 = 224,581.48/x
  3. Step 3: Cross multiply
    405,861.90x = 560,090.08 × 224,581.48
  4. Step 4: Simplify right side
    405,861.90x = 125,785,859,099.72
  5. Step 5: Solve for x
    x = 125,785,859,099.72/405,861.90
  6. Step 6: Final answer
    x = 309,922.81

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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.