Finding the Fourth Proportional to 211,062.36, 316,603.26 and 117,497.64
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Solution
The fourth proportional to 211,062.36, 316,603.26 and 117,497.64 is: 176,251.87
Step by Step Solution
- Step 1: Write the proportion equation
211,062.36 : 316,603.26 = 117,497.64 : x - Step 2: Convert to fraction form
211,062.36/316,603.26 = 117,497.64/x - Step 3: Cross multiply
211,062.36x = 316,603.26 × 117,497.64 - Step 4: Simplify right side
211,062.36x = 37,200,135,866.31 - Step 5: Solve for x
x = 37,200,135,866.31/211,062.36 - Step 6: Final answer
x = 176,251.87
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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.