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Finding the Fourth Proportional to 605,301.76, 907,918.08 and 231,362.56

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Solution

The fourth proportional to 605,301.76, 907,918.08 and 231,362.56 is: 347,030.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,301.76 : 907,918.08 = 231,362.56 : x
  2. Step 2: Convert to fraction form
    605,301.76/907,918.08 = 231,362.56/x
  3. Step 3: Cross multiply
    605,301.76x = 907,918.08 × 231,362.56
  4. Step 4: Simplify right side
    605,301.76x = 210,058,251,259.09
  5. Step 5: Solve for x
    x = 210,058,251,259.09/605,301.76
  6. Step 6: Final answer
    x = 347,030.63

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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.