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Finding the Fourth Proportional to 371,848.84, 557,773.44 and 245,459.54

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Solution

The fourth proportional to 371,848.84, 557,773.44 and 245,459.54 is: 368,189.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,848.84 : 557,773.44 = 245,459.54 : x
  2. Step 2: Convert to fraction form
    371,848.84/557,773.44 = 245,459.54/x
  3. Step 3: Cross multiply
    371,848.84x = 557,773.44 × 245,459.54
  4. Step 4: Simplify right side
    371,848.84x = 136,910,812,006.62
  5. Step 5: Solve for x
    x = 136,910,812,006.62/371,848.84
  6. Step 6: Final answer
    x = 368,189.43

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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.