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Finding the Fourth Proportional to 339,303.66, 508,601.25 and 114,586.62

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Solution

The fourth proportional to 339,303.66, 508,601.25 and 114,586.62 is: 171,760.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,303.66 : 508,601.25 = 114,586.62 : x
  2. Step 2: Convert to fraction form
    339,303.66/508,601.25 = 114,586.62/x
  3. Step 3: Cross multiply
    339,303.66x = 508,601.25 × 114,586.62
  4. Step 4: Simplify right side
    339,303.66x = 58,278,898,165.28
  5. Step 5: Solve for x
    x = 58,278,898,165.28/339,303.66
  6. Step 6: Final answer
    x = 171,760.30

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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.