Home / 405,464.23-559,530.78-224,171.49

Finding the Fourth Proportional to 405,464.23, 559,530.78 and 224,171.49

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Solution

The fourth proportional to 405,464.23, 559,530.78 and 224,171.49 is: 309,351.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,464.23 : 559,530.78 = 224,171.49 : x
  2. Step 2: Convert to fraction form
    405,464.23/559,530.78 = 224,171.49/x
  3. Step 3: Cross multiply
    405,464.23x = 559,530.78 × 224,171.49
  4. Step 4: Simplify right side
    405,464.23x = 125,430,848,653.46
  5. Step 5: Solve for x
    x = 125,430,848,653.46/405,464.23
  6. Step 6: Final answer
    x = 309,351.21

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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.