Home / 211,440.25-317,126.60-61,645.51

Finding the Fourth Proportional to 211,440.25, 317,126.60 and 61,645.51

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Solution

The fourth proportional to 211,440.25, 317,126.60 and 61,645.51 is: 92,458.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,440.25 : 317,126.60 = 61,645.51 : x
  2. Step 2: Convert to fraction form
    211,440.25/317,126.60 = 61,645.51/x
  3. Step 3: Cross multiply
    211,440.25x = 317,126.60 × 61,645.51
  4. Step 4: Simplify right side
    211,440.25x = 19,549,430,991.57
  5. Step 5: Solve for x
    x = 19,549,430,991.57/211,440.25
  6. Step 6: Final answer
    x = 92,458.42

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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.