Finding the Fourth Proportional to 207,569.05, 311,111.62 and 95,261.13
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Solution
The fourth proportional to 207,569.05, 311,111.62 and 95,261.13 is: 142,780.65
Step by Step Solution
- Step 1: Write the proportion equation
207,569.05 : 311,111.62 = 95,261.13 : x - Step 2: Convert to fraction form
207,569.05/311,111.62 = 95,261.13/x - Step 3: Cross multiply
207,569.05x = 311,111.62 × 95,261.13 - Step 4: Simplify right side
207,569.05x = 29,636,844,239.18 - Step 5: Solve for x
x = 29,636,844,239.18/207,569.05 - Step 6: Final answer
x = 142,780.65
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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.