Home / 211,321.14-317,030.85-61,577.34

Finding the Fourth Proportional to 211,321.14, 317,030.85 and 61,577.34

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Solution

The fourth proportional to 211,321.14, 317,030.85 and 61,577.34 is: 92,380.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,321.14 : 317,030.85 = 61,577.34 : x
  2. Step 2: Convert to fraction form
    211,321.14/317,030.85 = 61,577.34/x
  3. Step 3: Cross multiply
    211,321.14x = 317,030.85 × 61,577.34
  4. Step 4: Simplify right side
    211,321.14x = 19,521,916,440.94
  5. Step 5: Solve for x
    x = 19,521,916,440.94/211,321.14
  6. Step 6: Final answer
    x = 92,380.33

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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.