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Finding the Fourth Proportional to 235,812, 353,495.64 and 117,371.37

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Solution

The fourth proportional to 235,812, 353,495.64 and 117,371.37 is: 175,946.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,812 : 353,495.64 = 117,371.37 : x
  2. Step 2: Convert to fraction form
    235,812/353,495.64 = 117,371.37/x
  3. Step 3: Cross multiply
    235,812x = 353,495.64 × 117,371.37
  4. Step 4: Simplify right side
    235,812x = 41,490,267,555.83
  5. Step 5: Solve for x
    x = 41,490,267,555.83/235,812
  6. Step 6: Final answer
    x = 175,946.38

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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.