Finding the Fourth Proportional to 201,331.80, 301,669.65 and 148,187.70
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Solution
The fourth proportional to 201,331.80, 301,669.65 and 148,187.70 is: 222,040.09
Step by Step Solution
- Step 1: Write the proportion equation
201,331.80 : 301,669.65 = 148,187.70 : x - Step 2: Convert to fraction form
201,331.80/301,669.65 = 148,187.70/x - Step 3: Cross multiply
201,331.80x = 301,669.65 × 148,187.70 - Step 4: Simplify right side
201,331.80x = 44,703,731,593.31 - Step 5: Solve for x
x = 44,703,731,593.31/201,331.80 - Step 6: Final answer
x = 222,040.09
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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.