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Finding the Fourth Proportional to 428,259.60, 591,003 and 237,276

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Solution

The fourth proportional to 428,259.60, 591,003 and 237,276 is: 327,443.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,259.60 : 591,003 = 237,276 : x
  2. Step 2: Convert to fraction form
    428,259.60/591,003 = 237,276/x
  3. Step 3: Cross multiply
    428,259.60x = 591,003 × 237,276
  4. Step 4: Simplify right side
    428,259.60x = 140,230,827,828
  5. Step 5: Solve for x
    x = 140,230,827,828/428,259.60
  6. Step 6: Final answer
    x = 327,443.51

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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.