Home / 264,968.21-397,443.18-75,429.74

Finding the Fourth Proportional to 264,968.21, 397,443.18 and 75,429.74

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Solution

The fourth proportional to 264,968.21, 397,443.18 and 75,429.74 is: 113,142.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,968.21 : 397,443.18 = 75,429.74 : x
  2. Step 2: Convert to fraction form
    264,968.21/397,443.18 = 75,429.74/x
  3. Step 3: Cross multiply
    264,968.21x = 397,443.18 × 75,429.74
  4. Step 4: Simplify right side
    264,968.21x = 29,979,033,744.96
  5. Step 5: Solve for x
    x = 29,979,033,744.96/264,968.21
  6. Step 6: Final answer
    x = 113,142.00

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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.