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Finding the Fourth Proportional to 543,871.80, 816,099.30 and 228,360.60

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Solution

The fourth proportional to 543,871.80, 816,099.30 and 228,360.60 is: 342,663.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,871.80 : 816,099.30 = 228,360.60 : x
  2. Step 2: Convert to fraction form
    543,871.80/816,099.30 = 228,360.60/x
  3. Step 3: Cross multiply
    543,871.80x = 816,099.30 × 228,360.60
  4. Step 4: Simplify right side
    543,871.80x = 186,364,925,807.58
  5. Step 5: Solve for x
    x = 186,364,925,807.58/543,871.80
  6. Step 6: Final answer
    x = 342,663.34

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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.