Home / 210,321.28-290,232.30-114,809.50

Finding the Fourth Proportional to 210,321.28, 290,232.30 and 114,809.50

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Solution

The fourth proportional to 210,321.28, 290,232.30 and 114,809.50 is: 158,431.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,321.28 : 290,232.30 = 114,809.50 : x
  2. Step 2: Convert to fraction form
    210,321.28/290,232.30 = 114,809.50/x
  3. Step 3: Cross multiply
    210,321.28x = 290,232.30 × 114,809.50
  4. Step 4: Simplify right side
    210,321.28x = 33,321,425,246.85
  5. Step 5: Solve for x
    x = 33,321,425,246.85/210,321.28
  6. Step 6: Final answer
    x = 158,431.07

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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.