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Finding the Fourth Proportional to 253,032.84, 379,493.19 and 73,079.19

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Solution

The fourth proportional to 253,032.84, 379,493.19 and 73,079.19 is: 109,602.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,032.84 : 379,493.19 = 73,079.19 : x
  2. Step 2: Convert to fraction form
    253,032.84/379,493.19 = 73,079.19/x
  3. Step 3: Cross multiply
    253,032.84x = 379,493.19 × 73,079.19
  4. Step 4: Simplify right side
    253,032.84x = 27,733,054,935.72
  5. Step 5: Solve for x
    x = 27,733,054,935.72/253,032.84
  6. Step 6: Final answer
    x = 109,602.59

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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.