Home / 380,827.20-525,540.44-211,061.33

Finding the Fourth Proportional to 380,827.20, 525,540.44 and 211,061.33

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Solution

The fourth proportional to 380,827.20, 525,540.44 and 211,061.33 is: 291,264.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,827.20 : 525,540.44 = 211,061.33 : x
  2. Step 2: Convert to fraction form
    380,827.20/525,540.44 = 211,061.33/x
  3. Step 3: Cross multiply
    380,827.20x = 525,540.44 × 211,061.33
  4. Step 4: Simplify right side
    380,827.20x = 110,921,262,135.14
  5. Step 5: Solve for x
    x = 110,921,262,135.14/380,827.20
  6. Step 6: Final answer
    x = 291,264.02

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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.