Home / 222,298.93-306,688.78-145,860.22

Finding the Fourth Proportional to 222,298.93, 306,688.78 and 145,860.22

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Solution

The fourth proportional to 222,298.93, 306,688.78 and 145,860.22 is: 201,232.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,298.93 : 306,688.78 = 145,860.22 : x
  2. Step 2: Convert to fraction form
    222,298.93/306,688.78 = 145,860.22/x
  3. Step 3: Cross multiply
    222,298.93x = 306,688.78 × 145,860.22
  4. Step 4: Simplify right side
    222,298.93x = 44,733,691,790.96
  5. Step 5: Solve for x
    x = 44,733,691,790.96/222,298.93
  6. Step 6: Final answer
    x = 201,232.15

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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.