Home / 209,030.06-313,551.06-51,258.44

Finding the Fourth Proportional to 209,030.06, 313,551.06 and 51,258.44

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Solution

The fourth proportional to 209,030.06, 313,551.06 and 51,258.44 is: 76,889.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,030.06 : 313,551.06 = 51,258.44 : x
  2. Step 2: Convert to fraction form
    209,030.06/313,551.06 = 51,258.44/x
  3. Step 3: Cross multiply
    209,030.06x = 313,551.06 × 51,258.44
  4. Step 4: Simplify right side
    209,030.06x = 16,072,138,195.95
  5. Step 5: Solve for x
    x = 16,072,138,195.95/209,030.06
  6. Step 6: Final answer
    x = 76,889.12

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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.