Home / 262,949.14-394,139.35-105,004

Finding the Fourth Proportional to 262,949.14, 394,139.35 and 105,004

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Solution

The fourth proportional to 262,949.14, 394,139.35 and 105,004 is: 157,392.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,949.14 : 394,139.35 = 105,004 : x
  2. Step 2: Convert to fraction form
    262,949.14/394,139.35 = 105,004/x
  3. Step 3: Cross multiply
    262,949.14x = 394,139.35 × 105,004
  4. Step 4: Simplify right side
    262,949.14x = 41,386,208,307.40
  5. Step 5: Solve for x
    x = 41,386,208,307.40/262,949.14
  6. Step 6: Final answer
    x = 157,392.45

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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.