Home / 212,436.30-318,544.64-62,657.48

Finding the Fourth Proportional to 212,436.30, 318,544.64 and 62,657.48

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Solution

The fourth proportional to 212,436.30, 318,544.64 and 62,657.48 is: 93,953.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,436.30 : 318,544.64 = 62,657.48 : x
  2. Step 2: Convert to fraction form
    212,436.30/318,544.64 = 62,657.48/x
  3. Step 3: Cross multiply
    212,436.30x = 318,544.64 × 62,657.48
  4. Step 4: Simplify right side
    212,436.30x = 19,959,204,409.91
  5. Step 5: Solve for x
    x = 19,959,204,409.91/212,436.30
  6. Step 6: Final answer
    x = 93,953.83

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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.