Home / 285,561.66-394,075.06-158,237.25

Finding the Fourth Proportional to 285,561.66, 394,075.06 and 158,237.25

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Solution

The fourth proportional to 285,561.66, 394,075.06 and 158,237.25 is: 218,367.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,561.66 : 394,075.06 = 158,237.25 : x
  2. Step 2: Convert to fraction form
    285,561.66/394,075.06 = 158,237.25/x
  3. Step 3: Cross multiply
    285,561.66x = 394,075.06 × 158,237.25
  4. Step 4: Simplify right side
    285,561.66x = 62,357,353,787.99
  5. Step 5: Solve for x
    x = 62,357,353,787.99/285,561.66
  6. Step 6: Final answer
    x = 218,367.39

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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.