Finding the Fourth Proportional to 235,382.58, 324,855.12 and 139,888.44
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Solution
The fourth proportional to 235,382.58, 324,855.12 and 139,888.44 is: 193,062.19
Step by Step Solution
- Step 1: Write the proportion equation
235,382.58 : 324,855.12 = 139,888.44 : x - Step 2: Convert to fraction form
235,382.58/324,855.12 = 139,888.44/x - Step 3: Cross multiply
235,382.58x = 324,855.12 × 139,888.44 - Step 4: Simplify right side
235,382.58x = 45,443,475,962.81 - Step 5: Solve for x
x = 45,443,475,962.81/235,382.58 - Step 6: Final answer
x = 193,062.19
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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.