Home / 222,135.60-306,228.29-158,362.68

Finding the Fourth Proportional to 222,135.60, 306,228.29 and 158,362.68

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Solution

The fourth proportional to 222,135.60, 306,228.29 and 158,362.68 is: 218,313.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,135.60 : 306,228.29 = 158,362.68 : x
  2. Step 2: Convert to fraction form
    222,135.60/306,228.29 = 158,362.68/x
  3. Step 3: Cross multiply
    222,135.60x = 306,228.29 × 158,362.68
  4. Step 4: Simplify right side
    222,135.60x = 48,495,131,904.40
  5. Step 5: Solve for x
    x = 48,495,131,904.40/222,135.60
  6. Step 6: Final answer
    x = 218,313.19

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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.