Finding the Fourth Proportional to 202,110.84, 303,162.62 and 83,781.99
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Solution
The fourth proportional to 202,110.84, 303,162.62 and 83,781.99 is: 125,671.47
Step by Step Solution
- Step 1: Write the proportion equation
202,110.84 : 303,162.62 = 83,781.99 : x - Step 2: Convert to fraction form
202,110.84/303,162.62 = 83,781.99/x - Step 3: Cross multiply
202,110.84x = 303,162.62 × 83,781.99 - Step 4: Simplify right side
202,110.84x = 25,399,567,178.30 - Step 5: Solve for x
x = 25,399,567,178.30/202,110.84 - Step 6: Final answer
x = 125,671.47
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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.