Finding the Fourth Proportional to 634,750.36, 952,121.43 and 161,431.63
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Solution
The fourth proportional to 634,750.36, 952,121.43 and 161,431.63 is: 242,146.40
Step by Step Solution
- Step 1: Write the proportion equation
634,750.36 : 952,121.43 = 161,431.63 : x - Step 2: Convert to fraction form
634,750.36/952,121.43 = 161,431.63/x - Step 3: Cross multiply
634,750.36x = 952,121.43 × 161,431.63 - Step 4: Simplify right side
634,750.36x = 153,702,514,402.83 - Step 5: Solve for x
x = 153,702,514,402.83/634,750.36 - Step 6: Final answer
x = 242,146.40
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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.