Home / 328,939.91-493,606.68-302,171.03

Finding the Fourth Proportional to 328,939.91, 493,606.68 and 302,171.03

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Solution

The fourth proportional to 328,939.91, 493,606.68 and 302,171.03 is: 453,437.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,939.91 : 493,606.68 = 302,171.03 : x
  2. Step 2: Convert to fraction form
    328,939.91/493,606.68 = 302,171.03/x
  3. Step 3: Cross multiply
    328,939.91x = 493,606.68 × 302,171.03
  4. Step 4: Simplify right side
    328,939.91x = 149,153,638,910.48
  5. Step 5: Solve for x
    x = 149,153,638,910.48/328,939.91
  6. Step 6: Final answer
    x = 453,437.34

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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.