Finding the Fourth Proportional to 243,044.19, 335,219.85 and 178,493.49
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Solution
The fourth proportional to 243,044.19, 335,219.85 and 178,493.49 is: 246,187.99
Step by Step Solution
- Step 1: Write the proportion equation
243,044.19 : 335,219.85 = 178,493.49 : x - Step 2: Convert to fraction form
243,044.19/335,219.85 = 178,493.49/x - Step 3: Cross multiply
243,044.19x = 335,219.85 × 178,493.49 - Step 4: Simplify right side
243,044.19x = 59,834,560,943.78 - Step 5: Solve for x
x = 59,834,560,943.78/243,044.19 - Step 6: Final answer
x = 246,187.99
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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.