Finding the Fourth Proportional to 312,284.84, 430,596.42 and 248,625.32
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Solution
The fourth proportional to 312,284.84, 430,596.42 and 248,625.32 is: 342,818.99
Step by Step Solution
- Step 1: Write the proportion equation
312,284.84 : 430,596.42 = 248,625.32 : x - Step 2: Convert to fraction form
312,284.84/430,596.42 = 248,625.32/x - Step 3: Cross multiply
312,284.84x = 430,596.42 × 248,625.32 - Step 4: Simplify right side
312,284.84x = 107,057,172,713.35 - Step 5: Solve for x
x = 107,057,172,713.35/312,284.84 - Step 6: Final answer
x = 342,818.99
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1.5x scale
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.