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Finding the Fourth Proportional to 356,785.56, 492,622.36 and 229,682.56

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Solution

The fourth proportional to 356,785.56, 492,622.36 and 229,682.56 is: 317,128.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,785.56 : 492,622.36 = 229,682.56 : x
  2. Step 2: Convert to fraction form
    356,785.56/492,622.36 = 229,682.56/x
  3. Step 3: Cross multiply
    356,785.56x = 492,622.36 × 229,682.56
  4. Step 4: Simplify right side
    356,785.56x = 113,146,764,758.04
  5. Step 5: Solve for x
    x = 113,146,764,758.04/356,785.56
  6. Step 6: Final answer
    x = 317,128.21

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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.