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Finding the Fourth Proportional to 339,003.92, 508,810.44 and 189,024.32

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Solution

The fourth proportional to 339,003.92, 508,810.44 and 189,024.32 is: 283,706.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,003.92 : 508,810.44 = 189,024.32 : x
  2. Step 2: Convert to fraction form
    339,003.92/508,810.44 = 189,024.32/x
  3. Step 3: Cross multiply
    339,003.92x = 508,810.44 × 189,024.32
  4. Step 4: Simplify right side
    339,003.92x = 96,177,547,429.90
  5. Step 5: Solve for x
    x = 96,177,547,429.90/339,003.92
  6. Step 6: Final answer
    x = 283,706.30

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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.