Home / 405,109.44-559,041.21-223,838.73

Finding the Fourth Proportional to 405,109.44, 559,041.21 and 223,838.73

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Solution

The fourth proportional to 405,109.44, 559,041.21 and 223,838.73 is: 308,892.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,109.44 : 559,041.21 = 223,838.73 : x
  2. Step 2: Convert to fraction form
    405,109.44/559,041.21 = 223,838.73/x
  3. Step 3: Cross multiply
    405,109.44x = 559,041.21 × 223,838.73
  4. Step 4: Simplify right side
    405,109.44x = 125,135,074,464.06
  5. Step 5: Solve for x
    x = 125,135,074,464.06/405,109.44
  6. Step 6: Final answer
    x = 308,892.02

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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.