Home / 206,256.34-308,772.06-112,477.78

Finding the Fourth Proportional to 206,256.34, 308,772.06 and 112,477.78

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Solution

The fourth proportional to 206,256.34, 308,772.06 and 112,477.78 is: 168,382.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,256.34 : 308,772.06 = 112,477.78 : x
  2. Step 2: Convert to fraction form
    206,256.34/308,772.06 = 112,477.78/x
  3. Step 3: Cross multiply
    206,256.34x = 308,772.06 × 112,477.78
  4. Step 4: Simplify right side
    206,256.34x = 34,729,995,834.83
  5. Step 5: Solve for x
    x = 34,729,995,834.83/206,256.34
  6. Step 6: Final answer
    x = 168,382.68

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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.