Finding the Fourth Proportional to 583,632.80, 874,768.80 and 268,121.60
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Solution
The fourth proportional to 583,632.80, 874,768.80 and 268,121.60 is: 401,869.82
Step by Step Solution
- Step 1: Write the proportion equation
583,632.80 : 874,768.80 = 268,121.60 : x - Step 2: Convert to fraction form
583,632.80/874,768.80 = 268,121.60/x - Step 3: Cross multiply
583,632.80x = 874,768.80 × 268,121.60 - Step 4: Simplify right side
583,632.80x = 234,544,410,286.08 - Step 5: Solve for x
x = 234,544,410,286.08/583,632.80 - Step 6: Final answer
x = 401,869.82
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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.