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Finding the Fourth Proportional to 336,642.75, 464,576.72 and 185,749.47

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Solution

The fourth proportional to 336,642.75, 464,576.72 and 185,749.47 is: 256,339.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,642.75 : 464,576.72 = 185,749.47 : x
  2. Step 2: Convert to fraction form
    336,642.75/464,576.72 = 185,749.47/x
  3. Step 3: Cross multiply
    336,642.75x = 464,576.72 × 185,749.47
  4. Step 4: Simplify right side
    336,642.75x = 86,294,878,585.59
  5. Step 5: Solve for x
    x = 86,294,878,585.59/336,642.75
  6. Step 6: Final answer
    x = 256,339.63

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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.