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Finding the Fourth Proportional to 233,915.94, 350,739.60 and 91,594.58

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Solution

The fourth proportional to 233,915.94, 350,739.60 and 91,594.58 is: 137,339.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,915.94 : 350,739.60 = 91,594.58 : x
  2. Step 2: Convert to fraction form
    233,915.94/350,739.60 = 91,594.58/x
  3. Step 3: Cross multiply
    233,915.94x = 350,739.60 × 91,594.58
  4. Step 4: Simplify right side
    233,915.94x = 32,125,845,016.55
  5. Step 5: Solve for x
    x = 32,125,845,016.55/233,915.94
  6. Step 6: Final answer
    x = 137,339.27

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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.