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Finding the Fourth Proportional to 339,365.62, 508,460.43 and 205,966.36

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Solution

The fourth proportional to 339,365.62, 508,460.43 and 205,966.36 is: 308,592.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,365.62 : 508,460.43 = 205,966.36 : x
  2. Step 2: Convert to fraction form
    339,365.62/508,460.43 = 205,966.36/x
  3. Step 3: Cross multiply
    339,365.62x = 508,460.43 × 205,966.36
  4. Step 4: Simplify right side
    339,365.62x = 104,725,742,699.98
  5. Step 5: Solve for x
    x = 104,725,742,699.98/339,365.62
  6. Step 6: Final answer
    x = 308,592.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.