Home / 222,931.20-307,670.40-133,507.20

Finding the Fourth Proportional to 222,931.20, 307,670.40 and 133,507.20

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Solution

The fourth proportional to 222,931.20, 307,670.40 and 133,507.20 is: 184,255.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,931.20 : 307,670.40 = 133,507.20 : x
  2. Step 2: Convert to fraction form
    222,931.20/307,670.40 = 133,507.20/x
  3. Step 3: Cross multiply
    222,931.20x = 307,670.40 × 133,507.20
  4. Step 4: Simplify right side
    222,931.20x = 41,076,213,626.88
  5. Step 5: Solve for x
    x = 41,076,213,626.88/222,931.20
  6. Step 6: Final answer
    x = 184,255.11

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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.