Finding the Fourth Proportional to 291,014.24, 436,597.32 and 91,340.96
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Solution
The fourth proportional to 291,014.24, 436,597.32 and 91,340.96 is: 137,035.28
Step by Step Solution
- Step 1: Write the proportion equation
291,014.24 : 436,597.32 = 91,340.96 : x - Step 2: Convert to fraction form
291,014.24/436,597.32 = 91,340.96/x - Step 3: Cross multiply
291,014.24x = 436,597.32 × 91,340.96 - Step 4: Simplify right side
291,014.24x = 39,879,218,342.23 - Step 5: Solve for x
x = 39,879,218,342.23/291,014.24 - Step 6: Final answer
x = 137,035.28
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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.