Home / 389,536.39-584,380.32-149,632.75

Finding the Fourth Proportional to 389,536.39, 584,380.32 and 149,632.75

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Solution

The fourth proportional to 389,536.39, 584,380.32 and 149,632.75 is: 224,478.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,536.39 : 584,380.32 = 149,632.75 : x
  2. Step 2: Convert to fraction form
    389,536.39/584,380.32 = 149,632.75/x
  3. Step 3: Cross multiply
    389,536.39x = 584,380.32 × 149,632.75
  4. Step 4: Simplify right side
    389,536.39x = 87,442,434,327.48
  5. Step 5: Solve for x
    x = 87,442,434,327.48/389,536.39
  6. Step 6: Final answer
    x = 224,478.22

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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.