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Finding the Fourth Proportional to 437,239.94, 656,233.75 and 171,187.29

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Solution

The fourth proportional to 437,239.94, 656,233.75 and 171,187.29 is: 256,927.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,239.94 : 656,233.75 = 171,187.29 : x
  2. Step 2: Convert to fraction form
    437,239.94/656,233.75 = 171,187.29/x
  3. Step 3: Cross multiply
    437,239.94x = 656,233.75 × 171,187.29
  4. Step 4: Simplify right side
    437,239.94x = 112,338,877,269.04
  5. Step 5: Solve for x
    x = 112,338,877,269.04/437,239.94
  6. Step 6: Final answer
    x = 256,927.30

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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.