Home / 380,119.44-524,558.16-218,974

Finding the Fourth Proportional to 380,119.44, 524,558.16 and 218,974

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Solution

The fourth proportional to 380,119.44, 524,558.16 and 218,974 is: 302,180.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,119.44 : 524,558.16 = 218,974 : x
  2. Step 2: Convert to fraction form
    380,119.44/524,558.16 = 218,974/x
  3. Step 3: Cross multiply
    380,119.44x = 524,558.16 × 218,974
  4. Step 4: Simplify right side
    380,119.44x = 114,864,598,527.84
  5. Step 5: Solve for x
    x = 114,864,598,527.84/380,119.44
  6. Step 6: Final answer
    x = 302,180.28

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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.