Finding the Fourth Proportional to 202,318.70, 303,478.05 and 69,203.30
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Solution
The fourth proportional to 202,318.70, 303,478.05 and 69,203.30 is: 103,804.95
Step by Step Solution
- Step 1: Write the proportion equation
202,318.70 : 303,478.05 = 69,203.30 : x - Step 2: Convert to fraction form
202,318.70/303,478.05 = 69,203.30/x - Step 3: Cross multiply
202,318.70x = 303,478.05 × 69,203.30 - Step 4: Simplify right side
202,318.70x = 21,001,682,537.57 - Step 5: Solve for x
x = 21,001,682,537.57/202,318.70 - Step 6: Final answer
x = 103,804.95
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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.