Home / 227,207.08-313,299.66-154,657

Finding the Fourth Proportional to 227,207.08, 313,299.66 and 154,657

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Solution

The fourth proportional to 227,207.08, 313,299.66 and 154,657 is: 213,259.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,207.08 : 313,299.66 = 154,657 : x
  2. Step 2: Convert to fraction form
    227,207.08/313,299.66 = 154,657/x
  3. Step 3: Cross multiply
    227,207.08x = 313,299.66 × 154,657
  4. Step 4: Simplify right side
    227,207.08x = 48,453,985,516.62
  5. Step 5: Solve for x
    x = 48,453,985,516.62/227,207.08
  6. Step 6: Final answer
    x = 213,259.14

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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.