Finding the Fourth Proportional to 187,247.36, 258,382.82 and 106,670.08
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Solution
The fourth proportional to 187,247.36, 258,382.82 and 106,670.08 is: 147,194.15
Step by Step Solution
- Step 1: Write the proportion equation
187,247.36 : 258,382.82 = 106,670.08 : x - Step 2: Convert to fraction form
187,247.36/258,382.82 = 106,670.08/x - Step 3: Cross multiply
187,247.36x = 258,382.82 × 106,670.08 - Step 4: Simplify right side
187,247.36x = 27,561,716,080.03 - Step 5: Solve for x
x = 27,561,716,080.03/187,247.36 - Step 6: Final answer
x = 147,194.15
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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.