Home / 285,124.08-393,500.52-164,269.92

Finding the Fourth Proportional to 285,124.08, 393,500.52 and 164,269.92

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Solution

The fourth proportional to 285,124.08, 393,500.52 and 164,269.92 is: 226,709.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,124.08 : 393,500.52 = 164,269.92 : x
  2. Step 2: Convert to fraction form
    285,124.08/393,500.52 = 164,269.92/x
  3. Step 3: Cross multiply
    285,124.08x = 393,500.52 × 164,269.92
  4. Step 4: Simplify right side
    285,124.08x = 64,640,298,940.36
  5. Step 5: Solve for x
    x = 64,640,298,940.36/285,124.08
  6. Step 6: Final answer
    x = 226,709.36

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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.