Home / 213,471.28-319,952.44-99,466.16

Finding the Fourth Proportional to 213,471.28, 319,952.44 and 99,466.16

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Solution

The fourth proportional to 213,471.28, 319,952.44 and 99,466.16 is: 149,080.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,471.28 : 319,952.44 = 99,466.16 : x
  2. Step 2: Convert to fraction form
    213,471.28/319,952.44 = 99,466.16/x
  3. Step 3: Cross multiply
    213,471.28x = 319,952.44 × 99,466.16
  4. Step 4: Simplify right side
    213,471.28x = 31,824,440,589.43
  5. Step 5: Solve for x
    x = 31,824,440,589.43/213,471.28
  6. Step 6: Final answer
    x = 149,080.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.