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Finding the Fourth Proportional to 235,499.84, 354,820.17 and 213,036.60

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Solution

The fourth proportional to 235,499.84, 354,820.17 and 213,036.60 is: 320,975.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,499.84 : 354,820.17 = 213,036.60 : x
  2. Step 2: Convert to fraction form
    235,499.84/354,820.17 = 213,036.60/x
  3. Step 3: Cross multiply
    235,499.84x = 354,820.17 × 213,036.60
  4. Step 4: Simplify right side
    235,499.84x = 75,589,682,628.22
  5. Step 5: Solve for x
    x = 75,589,682,628.22/235,499.84
  6. Step 6: Final answer
    x = 320,975.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.