Home / 222,302.05-306,693.09-145,863.34

Finding the Fourth Proportional to 222,302.05, 306,693.09 and 145,863.34

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Solution

The fourth proportional to 222,302.05, 306,693.09 and 145,863.34 is: 201,236.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,302.05 : 306,693.09 = 145,863.34 : x
  2. Step 2: Convert to fraction form
    222,302.05/306,693.09 = 145,863.34/x
  3. Step 3: Cross multiply
    222,302.05x = 306,693.09 × 145,863.34
  4. Step 4: Simplify right side
    222,302.05x = 44,735,278,462.32
  5. Step 5: Solve for x
    x = 44,735,278,462.32/222,302.05
  6. Step 6: Final answer
    x = 201,236.46

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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.