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Finding the Fourth Proportional to 307,368.48, 461,052.72 and 82,729.44

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Solution

The fourth proportional to 307,368.48, 461,052.72 and 82,729.44 is: 124,094.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,368.48 : 461,052.72 = 82,729.44 : x
  2. Step 2: Convert to fraction form
    307,368.48/461,052.72 = 82,729.44/x
  3. Step 3: Cross multiply
    307,368.48x = 461,052.72 × 82,729.44
  4. Step 4: Simplify right side
    307,368.48x = 38,142,633,336.08
  5. Step 5: Solve for x
    x = 38,142,633,336.08/307,368.48
  6. Step 6: Final answer
    x = 124,094.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.