Home / 384,830.80-577,309.38-118,591.36

Finding the Fourth Proportional to 384,830.80, 577,309.38 and 118,591.36

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Solution

The fourth proportional to 384,830.80, 577,309.38 and 118,591.36 is: 177,906.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,830.80 : 577,309.38 = 118,591.36 : x
  2. Step 2: Convert to fraction form
    384,830.80/577,309.38 = 118,591.36/x
  3. Step 3: Cross multiply
    384,830.80x = 577,309.38 × 118,591.36
  4. Step 4: Simplify right side
    384,830.80x = 68,463,904,514.96
  5. Step 5: Solve for x
    x = 68,463,904,514.96/384,830.80
  6. Step 6: Final answer
    x = 177,906.51

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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.