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Finding the Fourth Proportional to 456,888.96, 630,507.60 and 252,954

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Solution

The fourth proportional to 456,888.96, 630,507.60 and 252,954 is: 349,076.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,888.96 : 630,507.60 = 252,954 : x
  2. Step 2: Convert to fraction form
    456,888.96/630,507.60 = 252,954/x
  3. Step 3: Cross multiply
    456,888.96x = 630,507.60 × 252,954
  4. Step 4: Simplify right side
    456,888.96x = 159,489,419,450.40
  5. Step 5: Solve for x
    x = 159,489,419,450.40/456,888.96
  6. Step 6: Final answer
    x = 349,076.98

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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.