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Finding the Fourth Proportional to 403,383.49, 604,409.10 and 234,429.37

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Solution

The fourth proportional to 403,383.49, 604,409.10 and 234,429.37 is: 351,256.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,383.49 : 604,409.10 = 234,429.37 : x
  2. Step 2: Convert to fraction form
    403,383.49/604,409.10 = 234,429.37/x
  3. Step 3: Cross multiply
    403,383.49x = 604,409.10 × 234,429.37
  4. Step 4: Simplify right side
    403,383.49x = 141,691,244,535.27
  5. Step 5: Solve for x
    x = 141,691,244,535.27/403,383.49
  6. Step 6: Final answer
    x = 351,256.93

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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.