Finding the Fourth Proportional to 201,063.84, 277,490.28 and 115,030.80
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Solution
The fourth proportional to 201,063.84, 277,490.28 and 115,030.80 is: 158,755.19
Step by Step Solution
- Step 1: Write the proportion equation
201,063.84 : 277,490.28 = 115,030.80 : x - Step 2: Convert to fraction form
201,063.84/277,490.28 = 115,030.80/x - Step 3: Cross multiply
201,063.84x = 277,490.28 × 115,030.80 - Step 4: Simplify right side
201,063.84x = 31,919,928,900.62 - Step 5: Solve for x
x = 31,919,928,900.62/201,063.84 - Step 6: Final answer
x = 158,755.19
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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.