Home / 389,975.48-584,589.53-165,026.47

Finding the Fourth Proportional to 389,975.48, 584,589.53 and 165,026.47

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Solution

The fourth proportional to 389,975.48, 584,589.53 and 165,026.47 is: 247,381.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,975.48 : 584,589.53 = 165,026.47 : x
  2. Step 2: Convert to fraction form
    389,975.48/584,589.53 = 165,026.47/x
  3. Step 3: Cross multiply
    389,975.48x = 584,589.53 × 165,026.47
  4. Step 4: Simplify right side
    389,975.48x = 96,472,745,709.73
  5. Step 5: Solve for x
    x = 96,472,745,709.73/389,975.48
  6. Step 6: Final answer
    x = 247,381.57

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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.