Home / 405,499.64-559,550.04-224,186.74

Finding the Fourth Proportional to 405,499.64, 559,550.04 and 224,186.74

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Solution

The fourth proportional to 405,499.64, 559,550.04 and 224,186.74 is: 309,355.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,499.64 : 559,550.04 = 224,186.74 : x
  2. Step 2: Convert to fraction form
    405,499.64/559,550.04 = 224,186.74/x
  3. Step 3: Cross multiply
    405,499.64x = 559,550.04 × 224,186.74
  4. Step 4: Simplify right side
    405,499.64x = 125,443,698,355.95
  5. Step 5: Solve for x
    x = 125,443,698,355.95/405,499.64
  6. Step 6: Final answer
    x = 309,355.88

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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.