Home / 211,646.77-317,471.94-53,875.25

Finding the Fourth Proportional to 211,646.77, 317,471.94 and 53,875.25

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Solution

The fourth proportional to 211,646.77, 317,471.94 and 53,875.25 is: 80,813.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,646.77 : 317,471.94 = 53,875.25 : x
  2. Step 2: Convert to fraction form
    211,646.77/317,471.94 = 53,875.25/x
  3. Step 3: Cross multiply
    211,646.77x = 317,471.94 × 53,875.25
  4. Step 4: Simplify right side
    211,646.77x = 17,103,879,866.11
  5. Step 5: Solve for x
    x = 17,103,879,866.11/211,646.77
  6. Step 6: Final answer
    x = 80,813.33

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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.