Home / 405,446.15-559,527.37-224,169.78

Finding the Fourth Proportional to 405,446.15, 559,527.37 and 224,169.78

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Solution

The fourth proportional to 405,446.15, 559,527.37 and 224,169.78 is: 309,360.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,446.15 : 559,527.37 = 224,169.78 : x
  2. Step 2: Convert to fraction form
    405,446.15/559,527.37 = 224,169.78/x
  3. Step 3: Cross multiply
    405,446.15x = 559,527.37 × 224,169.78
  4. Step 4: Simplify right side
    405,446.15x = 125,429,126,876.45
  5. Step 5: Solve for x
    x = 125,429,126,876.45/405,446.15
  6. Step 6: Final answer
    x = 309,360.75

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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.