Home / 211,339.71-317,020.68-53,569.53

Finding the Fourth Proportional to 211,339.71, 317,020.68 and 53,569.53

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Solution

The fourth proportional to 211,339.71, 317,020.68 and 53,569.53 is: 80,357.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,339.71 : 317,020.68 = 53,569.53 : x
  2. Step 2: Convert to fraction form
    211,339.71/317,020.68 = 53,569.53/x
  3. Step 3: Cross multiply
    211,339.71x = 317,020.68 × 53,569.53
  4. Step 4: Simplify right side
    211,339.71x = 16,982,648,827.88
  5. Step 5: Solve for x
    x = 16,982,648,827.88/211,339.71
  6. Step 6: Final answer
    x = 80,357.11

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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.