Home / 426,260.14-639,672.57-234,268.63

Finding the Fourth Proportional to 426,260.14, 639,672.57 and 234,268.63

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Solution

The fourth proportional to 426,260.14, 639,672.57 and 234,268.63 is: 351,558.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,260.14 : 639,672.57 = 234,268.63 : x
  2. Step 2: Convert to fraction form
    426,260.14/639,672.57 = 234,268.63/x
  3. Step 3: Cross multiply
    426,260.14x = 639,672.57 × 234,268.63
  4. Step 4: Simplify right side
    426,260.14x = 149,855,216,622.48
  5. Step 5: Solve for x
    x = 149,855,216,622.48/426,260.14
  6. Step 6: Final answer
    x = 351,558.13

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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.