Home / 211,454.78-317,228.89-104,896.70

Finding the Fourth Proportional to 211,454.78, 317,228.89 and 104,896.70

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Solution

The fourth proportional to 211,454.78, 317,228.89 and 104,896.70 is: 157,368.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,454.78 : 317,228.89 = 104,896.70 : x
  2. Step 2: Convert to fraction form
    211,454.78/317,228.89 = 104,896.70/x
  3. Step 3: Cross multiply
    211,454.78x = 317,228.89 × 104,896.70
  4. Step 4: Simplify right side
    211,454.78x = 33,276,264,137.56
  5. Step 5: Solve for x
    x = 33,276,264,137.56/211,454.78
  6. Step 6: Final answer
    x = 157,368.23

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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.