Home / 262,634.98-394,075.50-129,442.63

Finding the Fourth Proportional to 262,634.98, 394,075.50 and 129,442.63

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Solution

The fourth proportional to 262,634.98, 394,075.50 and 129,442.63 is: 194,224.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,634.98 : 394,075.50 = 129,442.63 : x
  2. Step 2: Convert to fraction form
    262,634.98/394,075.50 = 129,442.63/x
  3. Step 3: Cross multiply
    262,634.98x = 394,075.50 × 129,442.63
  4. Step 4: Simplify right side
    262,634.98x = 51,010,169,138.57
  5. Step 5: Solve for x
    x = 51,010,169,138.57/262,634.98
  6. Step 6: Final answer
    x = 194,224.58

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1.5x scale

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.