Home / 339,971.06-508,698.74-205,113.35

Finding the Fourth Proportional to 339,971.06, 508,698.74 and 205,113.35

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Solution

The fourth proportional to 339,971.06, 508,698.74 and 205,113.35 is: 306,911.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,971.06 : 508,698.74 = 205,113.35 : x
  2. Step 2: Convert to fraction form
    339,971.06/508,698.74 = 205,113.35/x
  3. Step 3: Cross multiply
    339,971.06x = 508,698.74 × 205,113.35
  4. Step 4: Simplify right side
    339,971.06x = 104,340,899,133.12
  5. Step 5: Solve for x
    x = 104,340,899,133.12/339,971.06
  6. Step 6: Final answer
    x = 306,911.13

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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.