Home / 405,749.96-559,951.44-224,458.77

Finding the Fourth Proportional to 405,749.96, 559,951.44 and 224,458.77

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Solution

The fourth proportional to 405,749.96, 559,951.44 and 224,458.77 is: 309,762.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,749.96 : 559,951.44 = 224,458.77 : x
  2. Step 2: Convert to fraction form
    405,749.96/559,951.44 = 224,458.77/x
  3. Step 3: Cross multiply
    405,749.96x = 559,951.44 × 224,458.77
  4. Step 4: Simplify right side
    405,749.96x = 125,686,007,560.08
  5. Step 5: Solve for x
    x = 125,686,007,560.08/405,749.96
  6. Step 6: Final answer
    x = 309,762.22

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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.