Finding the Fourth Proportional to 86,824.14, 130,250.74 and 27,677.94
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Solution
The fourth proportional to 86,824.14, 130,250.74 and 27,677.94 is: 41,521.54
Step by Step Solution
- Step 1: Write the proportion equation
86,824.14 : 130,250.74 = 27,677.94 : x - Step 2: Convert to fraction form
86,824.14/130,250.74 = 27,677.94/x - Step 3: Cross multiply
86,824.14x = 130,250.74 × 27,677.94 - Step 4: Simplify right side
86,824.14x = 3,605,072,166.68 - Step 5: Solve for x
x = 3,605,072,166.68/86,824.14 - Step 6: Final answer
x = 41,521.54
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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.