Home / 286,575.93-395,477.10-179,208.21

Finding the Fourth Proportional to 286,575.93, 395,477.10 and 179,208.21

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Solution

The fourth proportional to 286,575.93, 395,477.10 and 179,208.21 is: 247,308.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,575.93 : 395,477.10 = 179,208.21 : x
  2. Step 2: Convert to fraction form
    286,575.93/395,477.10 = 179,208.21/x
  3. Step 3: Cross multiply
    286,575.93x = 395,477.10 × 179,208.21
  4. Step 4: Simplify right side
    286,575.93x = 70,872,743,186.99
  5. Step 5: Solve for x
    x = 70,872,743,186.99/286,575.93
  6. Step 6: Final answer
    x = 247,308.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.