Home / 274,127.39-378,181.15-213,592.91

Finding the Fourth Proportional to 274,127.39, 378,181.15 and 213,592.91

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Solution

The fourth proportional to 274,127.39, 378,181.15 and 213,592.91 is: 294,668.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,127.39 : 378,181.15 = 213,592.91 : x
  2. Step 2: Convert to fraction form
    274,127.39/378,181.15 = 213,592.91/x
  3. Step 3: Cross multiply
    274,127.39x = 378,181.15 × 213,592.91
  4. Step 4: Simplify right side
    274,127.39x = 80,776,812,335.65
  5. Step 5: Solve for x
    x = 80,776,812,335.65/274,127.39
  6. Step 6: Final answer
    x = 294,668.89

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1.5x scale

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.