Home / 320,849.10-481,263.45-152,490.54

Finding the Fourth Proportional to 320,849.10, 481,263.45 and 152,490.54

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Solution

The fourth proportional to 320,849.10, 481,263.45 and 152,490.54 is: 228,730.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,849.10 : 481,263.45 = 152,490.54 : x
  2. Step 2: Convert to fraction form
    320,849.10/481,263.45 = 152,490.54/x
  3. Step 3: Cross multiply
    320,849.10x = 481,263.45 × 152,490.54
  4. Step 4: Simplify right side
    320,849.10x = 73,388,123,372.76
  5. Step 5: Solve for x
    x = 73,388,123,372.76/320,849.10
  6. Step 6: Final answer
    x = 228,730.96

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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.