Home / 405,575.52-559,645.20-224,262.96

Finding the Fourth Proportional to 405,575.52, 559,645.20 and 224,262.96

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Solution

The fourth proportional to 405,575.52, 559,645.20 and 224,262.96 is: 309,455.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,575.52 : 559,645.20 = 224,262.96 : x
  2. Step 2: Convert to fraction form
    405,575.52/559,645.20 = 224,262.96/x
  3. Step 3: Cross multiply
    405,575.52x = 559,645.20 × 224,262.96
  4. Step 4: Simplify right side
    405,575.52x = 125,507,689,101.79
  5. Step 5: Solve for x
    x = 125,507,689,101.79/405,575.52
  6. Step 6: Final answer
    x = 309,455.78

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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.