Home / 384,104.56-576,167.48-103,621

Finding the Fourth Proportional to 384,104.56, 576,167.48 and 103,621

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Solution

The fourth proportional to 384,104.56, 576,167.48 and 103,621 is: 155,434.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,104.56 : 576,167.48 = 103,621 : x
  2. Step 2: Convert to fraction form
    384,104.56/576,167.48 = 103,621/x
  3. Step 3: Cross multiply
    384,104.56x = 576,167.48 × 103,621
  4. Step 4: Simplify right side
    384,104.56x = 59,703,050,445.08
  5. Step 5: Solve for x
    x = 59,703,050,445.08/384,104.56
  6. Step 6: Final answer
    x = 155,434.37

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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.