Home / 282,255.30-389,516.73-154,942.50

Finding the Fourth Proportional to 282,255.30, 389,516.73 and 154,942.50

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Solution

The fourth proportional to 282,255.30, 389,516.73 and 154,942.50 is: 213,823.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,255.30 : 389,516.73 = 154,942.50 : x
  2. Step 2: Convert to fraction form
    282,255.30/389,516.73 = 154,942.50/x
  3. Step 3: Cross multiply
    282,255.30x = 389,516.73 × 154,942.50
  4. Step 4: Simplify right side
    282,255.30x = 60,352,695,938.03
  5. Step 5: Solve for x
    x = 60,352,695,938.03/282,255.30
  6. Step 6: Final answer
    x = 213,823.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.