Finding the Fourth Proportional to 356,861.62, 492,424.08 and 195,674.26
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Solution
The fourth proportional to 356,861.62, 492,424.08 and 195,674.26 is: 270,005.83
Step by Step Solution
- Step 1: Write the proportion equation
356,861.62 : 492,424.08 = 195,674.26 : x - Step 2: Convert to fraction form
356,861.62/492,424.08 = 195,674.26/x - Step 3: Cross multiply
356,861.62x = 492,424.08 × 195,674.26 - Step 4: Simplify right side
356,861.62x = 96,354,717,460.18 - Step 5: Solve for x
x = 96,354,717,460.18/356,861.62 - Step 6: Final answer
x = 270,005.83
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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.