Home / 389,601.56-537,609.18-226,226.13

Finding the Fourth Proportional to 389,601.56, 537,609.18 and 226,226.13

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Solution

The fourth proportional to 389,601.56, 537,609.18 and 226,226.13 is: 312,168.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,601.56 : 537,609.18 = 226,226.13 : x
  2. Step 2: Convert to fraction form
    389,601.56/537,609.18 = 226,226.13/x
  3. Step 3: Cross multiply
    389,601.56x = 537,609.18 × 226,226.13
  4. Step 4: Simplify right side
    389,601.56x = 121,621,244,243.87
  5. Step 5: Solve for x
    x = 121,621,244,243.87/389,601.56
  6. Step 6: Final answer
    x = 312,168.27

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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.