Home / 211,542.45-317,015.33-116,815.28

Finding the Fourth Proportional to 211,542.45, 317,015.33 and 116,815.28

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Solution

The fourth proportional to 211,542.45, 317,015.33 and 116,815.28 is: 175,058.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,542.45 : 317,015.33 = 116,815.28 : x
  2. Step 2: Convert to fraction form
    211,542.45/317,015.33 = 116,815.28/x
  3. Step 3: Cross multiply
    211,542.45x = 317,015.33 × 116,815.28
  4. Step 4: Simplify right side
    211,542.45x = 37,032,232,369.09
  5. Step 5: Solve for x
    x = 37,032,232,369.09/211,542.45
  6. Step 6: Final answer
    x = 175,058.16

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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.