Home / 405,102.52-559,033.68-223,822.36

Finding the Fourth Proportional to 405,102.52, 559,033.68 and 223,822.36

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Solution

The fourth proportional to 405,102.52, 559,033.68 and 223,822.36 is: 308,870.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,102.52 : 559,033.68 = 223,822.36 : x
  2. Step 2: Convert to fraction form
    405,102.52/559,033.68 = 223,822.36/x
  3. Step 3: Cross multiply
    405,102.52x = 559,033.68 × 223,822.36
  4. Step 4: Simplify right side
    405,102.52x = 125,124,237,577.09
  5. Step 5: Solve for x
    x = 125,124,237,577.09/405,102.52
  6. Step 6: Final answer
    x = 308,870.55

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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.