Finding the Fourth Proportional to 306,080.10, 422,269.08 and 176,994.72
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Solution
The fourth proportional to 306,080.10, 422,269.08 and 176,994.72 is: 244,182.48
Step by Step Solution
- Step 1: Write the proportion equation
306,080.10 : 422,269.08 = 176,994.72 : x - Step 2: Convert to fraction form
306,080.10/422,269.08 = 176,994.72/x - Step 3: Cross multiply
306,080.10x = 422,269.08 × 176,994.72 - Step 4: Simplify right side
306,080.10x = 74,739,397,579.26 - Step 5: Solve for x
x = 74,739,397,579.26/306,080.10 - Step 6: Final answer
x = 244,182.48
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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.