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Finding the Fourth Proportional to 494,994.18, 742,504.07 and 158,034.54

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Solution

The fourth proportional to 494,994.18, 742,504.07 and 158,034.54 is: 237,055.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,994.18 : 742,504.07 = 158,034.54 : x
  2. Step 2: Convert to fraction form
    494,994.18/742,504.07 = 158,034.54/x
  3. Step 3: Cross multiply
    494,994.18x = 742,504.07 × 158,034.54
  4. Step 4: Simplify right side
    494,994.18x = 117,341,289,150.58
  5. Step 5: Solve for x
    x = 117,341,289,150.58/494,994.18
  6. Step 6: Final answer
    x = 237,055.90

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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.