Home / 456,121.64-629,420.75-252,160.35

Finding the Fourth Proportional to 456,121.64, 629,420.75 and 252,160.35

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Solution

The fourth proportional to 456,121.64, 629,420.75 and 252,160.35 is: 347,966.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,121.64 : 629,420.75 = 252,160.35 : x
  2. Step 2: Convert to fraction form
    456,121.64/629,420.75 = 252,160.35/x
  3. Step 3: Cross multiply
    456,121.64x = 629,420.75 × 252,160.35
  4. Step 4: Simplify right side
    456,121.64x = 158,714,953,941.73
  5. Step 5: Solve for x
    x = 158,714,953,941.73/456,121.64
  6. Step 6: Final answer
    x = 347,966.29

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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.