Finding the Fourth Proportional to 232,391.49, 347,707.57 and 137,672.52
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Solution
The fourth proportional to 232,391.49, 347,707.57 and 137,672.52 is: 205,987.65
Step by Step Solution
- Step 1: Write the proportion equation
232,391.49 : 347,707.57 = 137,672.52 : x - Step 2: Convert to fraction form
232,391.49/347,707.57 = 137,672.52/x - Step 3: Cross multiply
232,391.49x = 347,707.57 × 137,672.52 - Step 4: Simplify right side
232,391.49x = 47,869,774,958.08 - Step 5: Solve for x
x = 47,869,774,958.08/232,391.49 - Step 6: Final answer
x = 205,987.65
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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.