Finding the Fourth Proportional to 354,736.68, 532,092.06 and 105,412.20
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Solution
The fourth proportional to 354,736.68, 532,092.06 and 105,412.20 is: 158,114.45
Step by Step Solution
- Step 1: Write the proportion equation
354,736.68 : 532,092.06 = 105,412.20 : x - Step 2: Convert to fraction form
354,736.68/532,092.06 = 105,412.20/x - Step 3: Cross multiply
354,736.68x = 532,092.06 × 105,412.20 - Step 4: Simplify right side
354,736.68x = 56,088,994,647.13 - Step 5: Solve for x
x = 56,088,994,647.13/354,736.68 - Step 6: Final answer
x = 158,114.45
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.