Finding the Fourth Proportional to 202,365.10, 303,742.05 and 102,637.90
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Solution
The fourth proportional to 202,365.10, 303,742.05 and 102,637.90 is: 154,055.45
Step by Step Solution
- Step 1: Write the proportion equation
202,365.10 : 303,742.05 = 102,637.90 : x - Step 2: Convert to fraction form
202,365.10/303,742.05 = 102,637.90/x - Step 3: Cross multiply
202,365.10x = 303,742.05 × 102,637.90 - Step 4: Simplify right side
202,365.10x = 31,175,446,153.70 - Step 5: Solve for x
x = 31,175,446,153.70/202,365.10 - Step 6: Final answer
x = 154,055.45
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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.