Home / 384,961.04-577,435.19-115,089.80

Finding the Fourth Proportional to 384,961.04, 577,435.19 and 115,089.80

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Solution

The fourth proportional to 384,961.04, 577,435.19 and 115,089.80 is: 172,632.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,961.04 : 577,435.19 = 115,089.80 : x
  2. Step 2: Convert to fraction form
    384,961.04/577,435.19 = 115,089.80/x
  3. Step 3: Cross multiply
    384,961.04x = 577,435.19 × 115,089.80
  4. Step 4: Simplify right side
    384,961.04x = 66,456,902,261.37
  5. Step 5: Solve for x
    x = 66,456,902,261.37/384,961.04
  6. Step 6: Final answer
    x = 172,632.80

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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.