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Finding the Fourth Proportional to 316,441.25, 474,739.65 and 94,825.25

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Solution

The fourth proportional to 316,441.25, 474,739.65 and 94,825.25 is: 142,261.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,441.25 : 474,739.65 = 94,825.25 : x
  2. Step 2: Convert to fraction form
    316,441.25/474,739.65 = 94,825.25/x
  3. Step 3: Cross multiply
    316,441.25x = 474,739.65 × 94,825.25
  4. Step 4: Simplify right side
    316,441.25x = 45,017,305,996.16
  5. Step 5: Solve for x
    x = 45,017,305,996.16/316,441.25
  6. Step 6: Final answer
    x = 142,261.18

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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.