Finding the Fourth Proportional to 202,317.20, 303,475.80 and 69,201.80
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Solution
The fourth proportional to 202,317.20, 303,475.80 and 69,201.80 is: 103,802.70
Step by Step Solution
- Step 1: Write the proportion equation
202,317.20 : 303,475.80 = 69,201.80 : x - Step 2: Convert to fraction form
202,317.20/303,475.80 = 69,201.80/x - Step 3: Cross multiply
202,317.20x = 303,475.80 × 69,201.80 - Step 4: Simplify right side
202,317.20x = 21,001,071,616.44 - Step 5: Solve for x
x = 21,001,071,616.44/202,317.20 - Step 6: Final answer
x = 103,802.70
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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.