Home / 210,324.28-290,236.44-114,812.50

Finding the Fourth Proportional to 210,324.28, 290,236.44 and 114,812.50

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Solution

The fourth proportional to 210,324.28, 290,236.44 and 114,812.50 is: 158,435.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,324.28 : 290,236.44 = 114,812.50 : x
  2. Step 2: Convert to fraction form
    210,324.28/290,236.44 = 114,812.50/x
  3. Step 3: Cross multiply
    210,324.28x = 290,236.44 × 114,812.50
  4. Step 4: Simplify right side
    210,324.28x = 33,322,771,267.50
  5. Step 5: Solve for x
    x = 33,322,771,267.50/210,324.28
  6. Step 6: Final answer
    x = 158,435.21

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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.