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Finding the Fourth Proportional to 302,364, 453,564.72 and 92,017.44

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Solution

The fourth proportional to 302,364, 453,564.72 and 92,017.44 is: 138,031.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,364 : 453,564.72 = 92,017.44 : x
  2. Step 2: Convert to fraction form
    302,364/453,564.72 = 92,017.44/x
  3. Step 3: Cross multiply
    302,364x = 453,564.72 × 92,017.44
  4. Step 4: Simplify right side
    302,364x = 41,735,864,408.72
  5. Step 5: Solve for x
    x = 41,735,864,408.72/302,364
  6. Step 6: Final answer
    x = 138,031.86

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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.