Home / 354,078.20-531,274.32-185,558.47

Finding the Fourth Proportional to 354,078.20, 531,274.32 and 185,558.47

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Solution

The fourth proportional to 354,078.20, 531,274.32 and 185,558.47 is: 278,419.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,078.20 : 531,274.32 = 185,558.47 : x
  2. Step 2: Convert to fraction form
    354,078.20/531,274.32 = 185,558.47/x
  3. Step 3: Cross multiply
    354,078.20x = 531,274.32 × 185,558.47
  4. Step 4: Simplify right side
    354,078.20x = 98,582,448,641.30
  5. Step 5: Solve for x
    x = 98,582,448,641.30/354,078.20
  6. Step 6: Final answer
    x = 278,419.99

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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.