Home / 351,927.79-485,662.84-190,785.38

Finding the Fourth Proportional to 351,927.79, 485,662.84 and 190,785.38

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Solution

The fourth proportional to 351,927.79, 485,662.84 and 190,785.38 is: 263,285.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,927.79 : 485,662.84 = 190,785.38 : x
  2. Step 2: Convert to fraction form
    351,927.79/485,662.84 = 190,785.38/x
  3. Step 3: Cross multiply
    351,927.79x = 485,662.84 × 190,785.38
  4. Step 4: Simplify right side
    351,927.79x = 92,657,366,576.00
  5. Step 5: Solve for x
    x = 92,657,366,576.00/351,927.79
  6. Step 6: Final answer
    x = 263,285.17

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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.