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Finding the Fourth Proportional to 339,026.96, 508,564.76 and 89,706

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Solution

The fourth proportional to 339,026.96, 508,564.76 and 89,706 is: 134,565.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,026.96 : 508,564.76 = 89,706 : x
  2. Step 2: Convert to fraction form
    339,026.96/508,564.76 = 89,706/x
  3. Step 3: Cross multiply
    339,026.96x = 508,564.76 × 89,706
  4. Step 4: Simplify right side
    339,026.96x = 45,621,310,360.56
  5. Step 5: Solve for x
    x = 45,621,310,360.56/339,026.96
  6. Step 6: Final answer
    x = 134,565.44

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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.