Home / 264,845.40-397,268.10-140,429.40

Finding the Fourth Proportional to 264,845.40, 397,268.10 and 140,429.40

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Solution

The fourth proportional to 264,845.40, 397,268.10 and 140,429.40 is: 210,644.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,845.40 : 397,268.10 = 140,429.40 : x
  2. Step 2: Convert to fraction form
    264,845.40/397,268.10 = 140,429.40/x
  3. Step 3: Cross multiply
    264,845.40x = 397,268.10 × 140,429.40
  4. Step 4: Simplify right side
    264,845.40x = 55,788,120,922.14
  5. Step 5: Solve for x
    x = 55,788,120,922.14/264,845.40
  6. Step 6: Final answer
    x = 210,644.10

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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.