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Finding the Fourth Proportional to 554,195.18, 831,604.12 and 301,493.34

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Solution

The fourth proportional to 554,195.18, 831,604.12 and 301,493.34 is: 452,409.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,195.18 : 831,604.12 = 301,493.34 : x
  2. Step 2: Convert to fraction form
    554,195.18/831,604.12 = 301,493.34/x
  3. Step 3: Cross multiply
    554,195.18x = 831,604.12 × 301,493.34
  4. Step 4: Simplify right side
    554,195.18x = 250,723,102,942.83
  5. Step 5: Solve for x
    x = 250,723,102,942.83/554,195.18
  6. Step 6: Final answer
    x = 452,409.39

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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.