Finding the Fourth Proportional to 415,675.82, 573,583.88 and 234,376.94
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Solution
The fourth proportional to 415,675.82, 573,583.88 and 234,376.94 is: 323,412.70
Step by Step Solution
- Step 1: Write the proportion equation
415,675.82 : 573,583.88 = 234,376.94 : x - Step 2: Convert to fraction form
415,675.82/573,583.88 = 234,376.94/x - Step 3: Cross multiply
415,675.82x = 573,583.88 × 234,376.94 - Step 4: Simplify right side
415,675.82x = 134,434,836,647.63 - Step 5: Solve for x
x = 134,434,836,647.63/415,675.82 - Step 6: Final answer
x = 323,412.70
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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.