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Finding the Fourth Proportional to 456,233.46, 629,392.88 and 295,140.44

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Solution

The fourth proportional to 456,233.46, 629,392.88 and 295,140.44 is: 407,158.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,233.46 : 629,392.88 = 295,140.44 : x
  2. Step 2: Convert to fraction form
    456,233.46/629,392.88 = 295,140.44/x
  3. Step 3: Cross multiply
    456,233.46x = 629,392.88 × 295,140.44
  4. Step 4: Simplify right side
    456,233.46x = 185,759,291,536.07
  5. Step 5: Solve for x
    x = 185,759,291,536.07/456,233.46
  6. Step 6: Final answer
    x = 407,158.41

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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.