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Finding the Fourth Proportional to 233,321, 321,982.98 and 127,337

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Solution

The fourth proportional to 233,321, 321,982.98 and 127,337 is: 175,725.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,321 : 321,982.98 = 127,337 : x
  2. Step 2: Convert to fraction form
    233,321/321,982.98 = 127,337/x
  3. Step 3: Cross multiply
    233,321x = 321,982.98 × 127,337
  4. Step 4: Simplify right side
    233,321x = 41,000,346,724.26
  5. Step 5: Solve for x
    x = 41,000,346,724.26/233,321
  6. Step 6: Final answer
    x = 175,725.06

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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.