Finding the Fourth Proportional to 242,821.68, 334,331.38 and 206,451.60
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Solution
The fourth proportional to 242,821.68, 334,331.38 and 206,451.60 is: 284,254.88
Step by Step Solution
- Step 1: Write the proportion equation
242,821.68 : 334,331.38 = 206,451.60 : x - Step 2: Convert to fraction form
242,821.68/334,331.38 = 206,451.60/x - Step 3: Cross multiply
242,821.68x = 334,331.38 × 206,451.60 - Step 4: Simplify right side
242,821.68x = 69,023,248,331.21 - Step 5: Solve for x
x = 69,023,248,331.21/242,821.68 - Step 6: Final answer
x = 284,254.88
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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.