Home / 262,354.20-393,077.70-121,824.60

Finding the Fourth Proportional to 262,354.20, 393,077.70 and 121,824.60

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Solution

The fourth proportional to 262,354.20, 393,077.70 and 121,824.60 is: 182,526.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,354.20 : 393,077.70 = 121,824.60 : x
  2. Step 2: Convert to fraction form
    262,354.20/393,077.70 = 121,824.60/x
  3. Step 3: Cross multiply
    262,354.20x = 393,077.70 × 121,824.60
  4. Step 4: Simplify right side
    262,354.20x = 47,886,533,571.42
  5. Step 5: Solve for x
    x = 47,886,533,571.42/262,354.20
  6. Step 6: Final answer
    x = 182,526.27

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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.