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Finding the Fourth Proportional to 544,401.84, 816,421.32 and 228,799.92

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Solution

The fourth proportional to 544,401.84, 816,421.32 and 228,799.92 is: 343,123.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,401.84 : 816,421.32 = 228,799.92 : x
  2. Step 2: Convert to fraction form
    544,401.84/816,421.32 = 228,799.92/x
  3. Step 3: Cross multiply
    544,401.84x = 816,421.32 × 228,799.92
  4. Step 4: Simplify right side
    544,401.84x = 186,797,132,702.29
  5. Step 5: Solve for x
    x = 186,797,132,702.29/544,401.84
  6. Step 6: Final answer
    x = 343,123.62

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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.