Home / 372,156.31-513,564.73-211,026.07

Finding the Fourth Proportional to 372,156.31, 513,564.73 and 211,026.07

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Solution

The fourth proportional to 372,156.31, 513,564.73 and 211,026.07 is: 291,209.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,156.31 : 513,564.73 = 211,026.07 : x
  2. Step 2: Convert to fraction form
    372,156.31/513,564.73 = 211,026.07/x
  3. Step 3: Cross multiply
    372,156.31x = 513,564.73 × 211,026.07
  4. Step 4: Simplify right side
    372,156.31x = 108,375,546,662.51
  5. Step 5: Solve for x
    x = 108,375,546,662.51/372,156.31
  6. Step 6: Final answer
    x = 291,209.75

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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.