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Finding the Fourth Proportional to 371,846.84, 557,770.44 and 245,457.54

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Solution

The fourth proportional to 371,846.84, 557,770.44 and 245,457.54 is: 368,186.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,846.84 : 557,770.44 = 245,457.54 : x
  2. Step 2: Convert to fraction form
    371,846.84/557,770.44 = 245,457.54/x
  3. Step 3: Cross multiply
    371,846.84x = 557,770.44 × 245,457.54
  4. Step 4: Simplify right side
    371,846.84x = 136,908,960,087.12
  5. Step 5: Solve for x
    x = 136,908,960,087.12/371,846.84
  6. Step 6: Final answer
    x = 368,186.43

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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.