Home / 389,136.96-583,471.44-152,197.20

Finding the Fourth Proportional to 389,136.96, 583,471.44 and 152,197.20

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Solution

The fourth proportional to 389,136.96, 583,471.44 and 152,197.20 is: 228,204.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,136.96 : 583,471.44 = 152,197.20 : x
  2. Step 2: Convert to fraction form
    389,136.96/583,471.44 = 152,197.20/x
  3. Step 3: Cross multiply
    389,136.96x = 583,471.44 × 152,197.20
  4. Step 4: Simplify right side
    389,136.96x = 88,802,719,447.97
  5. Step 5: Solve for x
    x = 88,802,719,447.97/389,136.96
  6. Step 6: Final answer
    x = 228,204.28

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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.