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Finding the Fourth Proportional to 334,751.45, 461,955.57 and 181,788.57

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Solution

The fourth proportional to 334,751.45, 461,955.57 and 181,788.57 is: 250,867.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,751.45 : 461,955.57 = 181,788.57 : x
  2. Step 2: Convert to fraction form
    334,751.45/461,955.57 = 181,788.57/x
  3. Step 3: Cross multiply
    334,751.45x = 461,955.57 × 181,788.57
  4. Step 4: Simplify right side
    334,751.45x = 83,978,240,098.89
  5. Step 5: Solve for x
    x = 83,978,240,098.89/334,751.45
  6. Step 6: Final answer
    x = 250,867.45

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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.