Finding the Fourth Proportional to 232,558.40, 348,804.84 and 74,766.80
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Solution
The fourth proportional to 232,558.40, 348,804.84 and 74,766.80 is: 112,139.67
Step by Step Solution
- Step 1: Write the proportion equation
232,558.40 : 348,804.84 = 74,766.80 : x - Step 2: Convert to fraction form
232,558.40/348,804.84 = 74,766.80/x - Step 3: Cross multiply
232,558.40x = 348,804.84 × 74,766.80 - Step 4: Simplify right side
232,558.40x = 26,079,021,711.31 - Step 5: Solve for x
x = 26,079,021,711.31/232,558.40 - Step 6: Final answer
x = 112,139.67
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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.