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Finding the Fourth Proportional to 456,170.88, 629,490.42 and 252,210

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Solution

The fourth proportional to 456,170.88, 629,490.42 and 252,210 is: 348,035.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,170.88 : 629,490.42 = 252,210 : x
  2. Step 2: Convert to fraction form
    456,170.88/629,490.42 = 252,210/x
  3. Step 3: Cross multiply
    456,170.88x = 629,490.42 × 252,210
  4. Step 4: Simplify right side
    456,170.88x = 158,763,778,828.20
  5. Step 5: Solve for x
    x = 158,763,778,828.20/456,170.88
  6. Step 6: Final answer
    x = 348,035.76

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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.