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Finding the Fourth Proportional to 427,928.06, 590,550 and 234,344

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Solution

The fourth proportional to 427,928.06, 590,550 and 234,344 is: 323,399.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,928.06 : 590,550 = 234,344 : x
  2. Step 2: Convert to fraction form
    427,928.06/590,550 = 234,344/x
  3. Step 3: Cross multiply
    427,928.06x = 590,550 × 234,344
  4. Step 4: Simplify right side
    427,928.06x = 138,391,849,200
  5. Step 5: Solve for x
    x = 138,391,849,200/427,928.06
  6. Step 6: Final answer
    x = 323,399.80

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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.