Home / 358,713.32-538,354.14-200,912.36

Finding the Fourth Proportional to 358,713.32, 538,354.14 and 200,912.36

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Solution

The fourth proportional to 358,713.32, 538,354.14 and 200,912.36 is: 301,527.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,713.32 : 538,354.14 = 200,912.36 : x
  2. Step 2: Convert to fraction form
    358,713.32/538,354.14 = 200,912.36/x
  3. Step 3: Cross multiply
    358,713.32x = 538,354.14 × 200,912.36
  4. Step 4: Simplify right side
    358,713.32x = 108,162,000,783.17
  5. Step 5: Solve for x
    x = 108,162,000,783.17/358,713.32
  6. Step 6: Final answer
    x = 301,527.70

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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.