Home / 380,788.63-525,546.19-243,027.00

Finding the Fourth Proportional to 380,788.63, 525,546.19 and 243,027.00

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Solution

The fourth proportional to 380,788.63, 525,546.19 and 243,027.00 is: 335,414.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,788.63 : 525,546.19 = 243,027.00 : x
  2. Step 2: Convert to fraction form
    380,788.63/525,546.19 = 243,027.00/x
  3. Step 3: Cross multiply
    380,788.63x = 525,546.19 × 243,027.00
  4. Step 4: Simplify right side
    380,788.63x = 127,721,914,530.08
  5. Step 5: Solve for x
    x = 127,721,914,530.08/380,788.63
  6. Step 6: Final answer
    x = 335,414.20

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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.