Home / 211,442.25-317,129.60-61,647.51

Finding the Fourth Proportional to 211,442.25, 317,129.60 and 61,647.51

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Solution

The fourth proportional to 211,442.25, 317,129.60 and 61,647.51 is: 92,461.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,442.25 : 317,129.60 = 61,647.51 : x
  2. Step 2: Convert to fraction form
    211,442.25/317,129.60 = 61,647.51/x
  3. Step 3: Cross multiply
    211,442.25x = 317,129.60 × 61,647.51
  4. Step 4: Simplify right side
    211,442.25x = 19,550,250,187.30
  5. Step 5: Solve for x
    x = 19,550,250,187.30/211,442.25
  6. Step 6: Final answer
    x = 92,461.42

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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.