Finding the Fourth Proportional to 339,449.42, 468,440.39 and 186,497.48
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Solution
The fourth proportional to 339,449.42, 468,440.39 and 186,497.48 is: 257,366.62
Step by Step Solution
- Step 1: Write the proportion equation
339,449.42 : 468,440.39 = 186,497.48 : x - Step 2: Convert to fraction form
339,449.42/468,440.39 = 186,497.48/x - Step 3: Cross multiply
339,449.42x = 468,440.39 × 186,497.48 - Step 4: Simplify right side
339,449.42x = 87,362,948,990.53 - Step 5: Solve for x
x = 87,362,948,990.53/339,449.42 - Step 6: Final answer
x = 257,366.62
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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.