Finding the Fourth Proportional to 322,077.68, 444,639.76 and 248,329.03
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Solution
The fourth proportional to 322,077.68, 444,639.76 and 248,329.03 is: 342,827.11
Step by Step Solution
- Step 1: Write the proportion equation
322,077.68 : 444,639.76 = 248,329.03 : x - Step 2: Convert to fraction form
322,077.68/444,639.76 = 248,329.03/x - Step 3: Cross multiply
322,077.68x = 444,639.76 × 248,329.03 - Step 4: Simplify right side
322,077.68x = 110,416,960,300.23 - Step 5: Solve for x
x = 110,416,960,300.23/322,077.68 - Step 6: Final answer
x = 342,827.11
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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.