Home / 380,723.44-525,398.96-208,614.04

Finding the Fourth Proportional to 380,723.44, 525,398.96 and 208,614.04

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Solution

The fourth proportional to 380,723.44, 525,398.96 and 208,614.04 is: 287,887.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,723.44 : 525,398.96 = 208,614.04 : x
  2. Step 2: Convert to fraction form
    380,723.44/525,398.96 = 208,614.04/x
  3. Step 3: Cross multiply
    380,723.44x = 525,398.96 × 208,614.04
  4. Step 4: Simplify right side
    380,723.44x = 109,605,599,657.40
  5. Step 5: Solve for x
    x = 109,605,599,657.40/380,723.44
  6. Step 6: Final answer
    x = 287,887.71

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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.