Finding the Fourth Proportional to 314,771.68, 434,385.48 and 171,532.36
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Solution
The fourth proportional to 314,771.68, 434,385.48 and 171,532.36 is: 236,714.96
Step by Step Solution
- Step 1: Write the proportion equation
314,771.68 : 434,385.48 = 171,532.36 : x - Step 2: Convert to fraction form
314,771.68/434,385.48 = 171,532.36/x - Step 3: Cross multiply
314,771.68x = 434,385.48 × 171,532.36 - Step 4: Simplify right side
314,771.68x = 74,511,166,534.13 - Step 5: Solve for x
x = 74,511,166,534.13/314,771.68 - Step 6: Final answer
x = 236,714.96
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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.