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Finding the Fourth Proportional to 302,652.72, 454,012.02 and 113,203.98

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Solution

The fourth proportional to 302,652.72, 454,012.02 and 113,203.98 is: 169,818.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,652.72 : 454,012.02 = 113,203.98 : x
  2. Step 2: Convert to fraction form
    302,652.72/454,012.02 = 113,203.98/x
  3. Step 3: Cross multiply
    302,652.72x = 454,012.02 × 113,203.98
  4. Step 4: Simplify right side
    302,652.72x = 51,395,967,631.84
  5. Step 5: Solve for x
    x = 51,395,967,631.84/302,652.72
  6. Step 6: Final answer
    x = 169,818.29

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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.