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Finding the Fourth Proportional to 451,948, 623,687.76 and 248,000.08

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Solution

The fourth proportional to 451,948, 623,687.76 and 248,000.08 is: 342,239.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,948 : 623,687.76 = 248,000.08 : x
  2. Step 2: Convert to fraction form
    451,948/623,687.76 = 248,000.08/x
  3. Step 3: Cross multiply
    451,948x = 623,687.76 × 248,000.08
  4. Step 4: Simplify right side
    451,948x = 154,674,614,375.02
  5. Step 5: Solve for x
    x = 154,674,614,375.02/451,948
  6. Step 6: Final answer
    x = 342,239.85

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.