Home / 222,160.90-306,388.26-157,502.38

Finding the Fourth Proportional to 222,160.90, 306,388.26 and 157,502.38

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Solution

The fourth proportional to 222,160.90, 306,388.26 and 157,502.38 is: 217,215.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,160.90 : 306,388.26 = 157,502.38 : x
  2. Step 2: Convert to fraction form
    222,160.90/306,388.26 = 157,502.38/x
  3. Step 3: Cross multiply
    222,160.90x = 306,388.26 × 157,502.38
  4. Step 4: Simplify right side
    222,160.90x = 48,256,880,154.06
  5. Step 5: Solve for x
    x = 48,256,880,154.06/222,160.90
  6. Step 6: Final answer
    x = 217,215.90

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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.