Finding the Fourth Proportional to 201,187.80, 277,724.28 and 135,790.84
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Solution
The fourth proportional to 201,187.80, 277,724.28 and 135,790.84 is: 187,448.81
Step by Step Solution
- Step 1: Write the proportion equation
201,187.80 : 277,724.28 = 135,790.84 : x - Step 2: Convert to fraction form
201,187.80/277,724.28 = 135,790.84/x - Step 3: Cross multiply
201,187.80x = 277,724.28 × 135,790.84 - Step 4: Simplify right side
201,187.80x = 37,712,413,269.60 - Step 5: Solve for x
x = 37,712,413,269.60/201,187.80 - Step 6: Final answer
x = 187,448.81
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.