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Finding the Fourth Proportional to 373,551.48, 515,430.54 and 222,662.52

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Solution

The fourth proportional to 373,551.48, 515,430.54 and 222,662.52 is: 307,232.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,551.48 : 515,430.54 = 222,662.52 : x
  2. Step 2: Convert to fraction form
    373,551.48/515,430.54 = 222,662.52/x
  3. Step 3: Cross multiply
    373,551.48x = 515,430.54 × 222,662.52
  4. Step 4: Simplify right side
    373,551.48x = 114,767,062,921.36
  5. Step 5: Solve for x
    x = 114,767,062,921.36/373,551.48
  6. Step 6: Final answer
    x = 307,232.25

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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.