Home / 222,007.96-306,399.05-145,591.35

Finding the Fourth Proportional to 222,007.96, 306,399.05 and 145,591.35

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Solution

The fourth proportional to 222,007.96, 306,399.05 and 145,591.35 is: 200,934.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,007.96 : 306,399.05 = 145,591.35 : x
  2. Step 2: Convert to fraction form
    222,007.96/306,399.05 = 145,591.35/x
  3. Step 3: Cross multiply
    222,007.96x = 306,399.05 × 145,591.35
  4. Step 4: Simplify right side
    222,007.96x = 44,609,051,328.22
  5. Step 5: Solve for x
    x = 44,609,051,328.22/222,007.96
  6. Step 6: Final answer
    x = 200,934.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.