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Finding the Fourth Proportional to 292,556.88, 438,796.44 and 115,016.22

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Solution

The fourth proportional to 292,556.88, 438,796.44 and 115,016.22 is: 172,509.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,556.88 : 438,796.44 = 115,016.22 : x
  2. Step 2: Convert to fraction form
    292,556.88/438,796.44 = 115,016.22/x
  3. Step 3: Cross multiply
    292,556.88x = 438,796.44 × 115,016.22
  4. Step 4: Simplify right side
    292,556.88x = 50,468,707,878.26
  5. Step 5: Solve for x
    x = 50,468,707,878.26/292,556.88
  6. Step 6: Final answer
    x = 172,509.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.