Finding the Fourth Proportional to 202,666.14, 302,515.11 and 178,725.15
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Solution
The fourth proportional to 202,666.14, 302,515.11 and 178,725.15 is: 266,778.94
Step by Step Solution
- Step 1: Write the proportion equation
202,666.14 : 302,515.11 = 178,725.15 : x - Step 2: Convert to fraction form
202,666.14/302,515.11 = 178,725.15/x - Step 3: Cross multiply
202,666.14x = 302,515.11 × 178,725.15 - Step 4: Simplify right side
202,666.14x = 54,067,058,412.02 - Step 5: Solve for x
x = 54,067,058,412.02/202,666.14 - Step 6: Final answer
x = 266,778.94
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.