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Finding the Fourth Proportional to 630,024, 945,036 and 163,080

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Solution

The fourth proportional to 630,024, 945,036 and 163,080 is: 244,620

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,024 : 945,036 = 163,080 : x
  2. Step 2: Convert to fraction form
    630,024/945,036 = 163,080/x
  3. Step 3: Cross multiply
    630,024x = 945,036 × 163,080
  4. Step 4: Simplify right side
    630,024x = 154,116,470,880
  5. Step 5: Solve for x
    x = 154,116,470,880/630,024
  6. Step 6: Final answer
    x = 244,620

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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.