Home / 380,736.66-525,405.12-208,652.52

Finding the Fourth Proportional to 380,736.66, 525,405.12 and 208,652.52

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Solution

The fourth proportional to 380,736.66, 525,405.12 and 208,652.52 is: 287,934.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,736.66 : 525,405.12 = 208,652.52 : x
  2. Step 2: Convert to fraction form
    380,736.66/525,405.12 = 208,652.52/x
  3. Step 3: Cross multiply
    380,736.66x = 525,405.12 × 208,652.52
  4. Step 4: Simplify right side
    380,736.66x = 109,627,102,308.90
  5. Step 5: Solve for x
    x = 109,627,102,308.90/380,736.66
  6. Step 6: Final answer
    x = 287,934.19

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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.