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Finding the Fourth Proportional to 456,155.88, 629,484.03 and 252,201.54

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Solution

The fourth proportional to 456,155.88, 629,484.03 and 252,201.54 is: 348,032.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,155.88 : 629,484.03 = 252,201.54 : x
  2. Step 2: Convert to fraction form
    456,155.88/629,484.03 = 252,201.54/x
  3. Step 3: Cross multiply
    456,155.88x = 629,484.03 × 252,201.54
  4. Step 4: Simplify right side
    456,155.88x = 158,756,841,771.41
  5. Step 5: Solve for x
    x = 158,756,841,771.41/456,155.88
  6. Step 6: Final answer
    x = 348,032.00

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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.