Home / 405,110.34-559,045.44-223,829.82

Finding the Fourth Proportional to 405,110.34, 559,045.44 and 223,829.82

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Solution

The fourth proportional to 405,110.34, 559,045.44 and 223,829.82 is: 308,881.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,110.34 : 559,045.44 = 223,829.82 : x
  2. Step 2: Convert to fraction form
    405,110.34/559,045.44 = 223,829.82/x
  3. Step 3: Cross multiply
    405,110.34x = 559,045.44 × 223,829.82
  4. Step 4: Simplify right side
    405,110.34x = 125,131,040,207.02
  5. Step 5: Solve for x
    x = 125,131,040,207.02/405,110.34
  6. Step 6: Final answer
    x = 308,881.38

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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.