Home / 211,904.79-317,822.24-69,751.91

Finding the Fourth Proportional to 211,904.79, 317,822.24 and 69,751.91

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Solution

The fourth proportional to 211,904.79, 317,822.24 and 69,751.91 is: 104,616.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,904.79 : 317,822.24 = 69,751.91 : x
  2. Step 2: Convert to fraction form
    211,904.79/317,822.24 = 69,751.91/x
  3. Step 3: Cross multiply
    211,904.79x = 317,822.24 × 69,751.91
  4. Step 4: Simplify right side
    211,904.79x = 22,168,709,249.41
  5. Step 5: Solve for x
    x = 22,168,709,249.41/211,904.79
  6. Step 6: Final answer
    x = 104,616.37

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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.