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Finding the Fourth Proportional to 339,384.60, 508,398.06 and 204,373.80

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Solution

The fourth proportional to 339,384.60, 508,398.06 and 204,373.80 is: 306,151.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,384.60 : 508,398.06 = 204,373.80 : x
  2. Step 2: Convert to fraction form
    339,384.60/508,398.06 = 204,373.80/x
  3. Step 3: Cross multiply
    339,384.60x = 508,398.06 × 204,373.80
  4. Step 4: Simplify right side
    339,384.60x = 103,903,243,434.83
  5. Step 5: Solve for x
    x = 103,903,243,434.83/339,384.60
  6. Step 6: Final answer
    x = 306,151.91

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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.