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Finding the Fourth Proportional to 292,791.22, 404,048.52 and 158,655.22

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Solution

The fourth proportional to 292,791.22, 404,048.52 and 158,655.22 is: 218,942.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,791.22 : 404,048.52 = 158,655.22 : x
  2. Step 2: Convert to fraction form
    292,791.22/404,048.52 = 158,655.22/x
  3. Step 3: Cross multiply
    292,791.22x = 404,048.52 × 158,655.22
  4. Step 4: Simplify right side
    292,791.22x = 64,104,406,831.27
  5. Step 5: Solve for x
    x = 64,104,406,831.27/292,791.22
  6. Step 6: Final answer
    x = 218,942.38

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1.5x scale

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.