Home / 253,174.20-379,429.10-186,301.20

Finding the Fourth Proportional to 253,174.20, 379,429.10 and 186,301.20

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Solution

The fourth proportional to 253,174.20, 379,429.10 and 186,301.20 is: 279,207.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,174.20 : 379,429.10 = 186,301.20 : x
  2. Step 2: Convert to fraction form
    253,174.20/379,429.10 = 186,301.20/x
  3. Step 3: Cross multiply
    253,174.20x = 379,429.10 × 186,301.20
  4. Step 4: Simplify right side
    253,174.20x = 70,688,096,644.92
  5. Step 5: Solve for x
    x = 70,688,096,644.92/253,174.20
  6. Step 6: Final answer
    x = 279,207.35

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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.