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Finding the Fourth Proportional to 630,030, 945,045 and 163,086

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Solution

The fourth proportional to 630,030, 945,045 and 163,086 is: 244,629

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,030 : 945,045 = 163,086 : x
  2. Step 2: Convert to fraction form
    630,030/945,045 = 163,086/x
  3. Step 3: Cross multiply
    630,030x = 945,045 × 163,086
  4. Step 4: Simplify right side
    630,030x = 154,123,608,870
  5. Step 5: Solve for x
    x = 154,123,608,870/630,030
  6. Step 6: Final answer
    x = 244,629

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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.