Home / 290,767.37-401,261.18-161,707.64

Finding the Fourth Proportional to 290,767.37, 401,261.18 and 161,707.64

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Solution

The fourth proportional to 290,767.37, 401,261.18 and 161,707.64 is: 223,157.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,767.37 : 401,261.18 = 161,707.64 : x
  2. Step 2: Convert to fraction form
    290,767.37/401,261.18 = 161,707.64/x
  3. Step 3: Cross multiply
    290,767.37x = 401,261.18 × 161,707.64
  4. Step 4: Simplify right side
    290,767.37x = 64,886,995,626.57
  5. Step 5: Solve for x
    x = 64,886,995,626.57/290,767.37
  6. Step 6: Final answer
    x = 223,157.77

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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.