Finding the Fourth Proportional to 306,563,734.48, 422,994,799.72 and 176,158,348.24
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Solution
The fourth proportional to 306,563,734.48, 422,994,799.72 and 176,158,348.24 is: 243,062,230.96
Step by Step Solution
- Step 1: Write the proportion equation
306,563,734.48 : 422,994,799.72 = 176,158,348.24 : x - Step 2: Convert to fraction form
306,563,734.48/422,994,799.72 = 176,158,348.24/x - Step 3: Cross multiply
306,563,734.48x = 422,994,799.72 × 176,158,348.24 - Step 4: Simplify right side
306,563,734.48x = 74,514,065,232,784,816 - Step 5: Solve for x
x = 74,514,065,232,784,816/306,563,734.48 - Step 6: Final answer
x = 243,062,230.96
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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.