Home / 211,536.28-317,334.12-61,787.56

Finding the Fourth Proportional to 211,536.28, 317,334.12 and 61,787.56

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Solution

The fourth proportional to 211,536.28, 317,334.12 and 61,787.56 is: 92,690.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,536.28 : 317,334.12 = 61,787.56 : x
  2. Step 2: Convert to fraction form
    211,536.28/317,334.12 = 61,787.56/x
  3. Step 3: Cross multiply
    211,536.28x = 317,334.12 × 61,787.56
  4. Step 4: Simplify right side
    211,536.28x = 19,607,300,979.55
  5. Step 5: Solve for x
    x = 19,607,300,979.55/211,536.28
  6. Step 6: Final answer
    x = 92,690.02

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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.