Home / 246,441.78-340,075.49-139,005.41

Finding the Fourth Proportional to 246,441.78, 340,075.49 and 139,005.41

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Solution

The fourth proportional to 246,441.78, 340,075.49 and 139,005.41 is: 191,819.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,441.78 : 340,075.49 = 139,005.41 : x
  2. Step 2: Convert to fraction form
    246,441.78/340,075.49 = 139,005.41/x
  3. Step 3: Cross multiply
    246,441.78x = 340,075.49 × 139,005.41
  4. Step 4: Simplify right side
    246,441.78x = 47,272,330,523.00
  5. Step 5: Solve for x
    x = 47,272,330,523.00/246,441.78
  6. Step 6: Final answer
    x = 191,819.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.