Finding the Fourth Proportional to 416,689.06, 574,989.81 and 232,893.70
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Solution
The fourth proportional to 416,689.06, 574,989.81 and 232,893.70 is: 321,370.34
Step by Step Solution
- Step 1: Write the proportion equation
416,689.06 : 574,989.81 = 232,893.70 : x - Step 2: Convert to fraction form
416,689.06/574,989.81 = 232,893.70/x - Step 3: Cross multiply
416,689.06x = 574,989.81 × 232,893.70 - Step 4: Simplify right side
416,689.06x = 133,911,504,313.20 - Step 5: Solve for x
x = 133,911,504,313.20/416,689.06 - Step 6: Final answer
x = 321,370.34
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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.