Home / 416,721.41-575,075.50-225,734.75

Finding the Fourth Proportional to 416,721.41, 575,075.50 and 225,734.75

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Solution

The fourth proportional to 416,721.41, 575,075.50 and 225,734.75 is: 311,513.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,721.41 : 575,075.50 = 225,734.75 : x
  2. Step 2: Convert to fraction form
    416,721.41/575,075.50 = 225,734.75/x
  3. Step 3: Cross multiply
    416,721.41x = 575,075.50 × 225,734.75
  4. Step 4: Simplify right side
    416,721.41x = 129,814,522,940.44
  5. Step 5: Solve for x
    x = 129,814,522,940.44/416,721.41
  6. Step 6: Final answer
    x = 311,513.93

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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.