Home / 405,149.08-559,096.54-223,861.36

Finding the Fourth Proportional to 405,149.08, 559,096.54 and 223,861.36

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Solution

The fourth proportional to 405,149.08, 559,096.54 and 223,861.36 is: 308,923.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,149.08 : 559,096.54 = 223,861.36 : x
  2. Step 2: Convert to fraction form
    405,149.08/559,096.54 = 223,861.36/x
  3. Step 3: Cross multiply
    405,149.08x = 559,096.54 × 223,861.36
  4. Step 4: Simplify right side
    405,149.08x = 125,160,111,815.69
  5. Step 5: Solve for x
    x = 125,160,111,815.69/405,149.08
  6. Step 6: Final answer
    x = 308,923.60

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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.