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Finding the Fourth Proportional to 270,012.37, 372,601.65 and 161,239.47

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Solution

The fourth proportional to 270,012.37, 372,601.65 and 161,239.47 is: 222,501.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,012.37 : 372,601.65 = 161,239.47 : x
  2. Step 2: Convert to fraction form
    270,012.37/372,601.65 = 161,239.47/x
  3. Step 3: Cross multiply
    270,012.37x = 372,601.65 × 161,239.47
  4. Step 4: Simplify right side
    270,012.37x = 60,078,092,567.13
  5. Step 5: Solve for x
    x = 60,078,092,567.13/270,012.37
  6. Step 6: Final answer
    x = 222,501.26

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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.