Home / 211,767.41-317,583.75-69,579.90

Finding the Fourth Proportional to 211,767.41, 317,583.75 and 69,579.90

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Solution

The fourth proportional to 211,767.41, 317,583.75 and 69,579.90 is: 104,347.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,767.41 : 317,583.75 = 69,579.90 : x
  2. Step 2: Convert to fraction form
    211,767.41/317,583.75 = 69,579.90/x
  3. Step 3: Cross multiply
    211,767.41x = 317,583.75 × 69,579.90
  4. Step 4: Simplify right side
    211,767.41x = 22,097,445,566.63
  5. Step 5: Solve for x
    x = 22,097,445,566.63/211,767.41
  6. Step 6: Final answer
    x = 104,347.72

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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.