Home / 286,480.13-395,071.59-188,189.84

Finding the Fourth Proportional to 286,480.13, 395,071.59 and 188,189.84

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Solution

The fourth proportional to 286,480.13, 395,071.59 and 188,189.84 is: 259,523.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,480.13 : 395,071.59 = 188,189.84 : x
  2. Step 2: Convert to fraction form
    286,480.13/395,071.59 = 188,189.84/x
  3. Step 3: Cross multiply
    286,480.13x = 395,071.59 × 188,189.84
  4. Step 4: Simplify right side
    286,480.13x = 74,348,457,253.49
  5. Step 5: Solve for x
    x = 74,348,457,253.49/286,480.13
  6. Step 6: Final answer
    x = 259,523.96

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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.