Finding the Fourth Proportional to 378,658.68, 567,604.74 and 245,623.48
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Solution
The fourth proportional to 378,658.68, 567,604.74 and 245,623.48 is: 368,186.60
Step by Step Solution
- Step 1: Write the proportion equation
378,658.68 : 567,604.74 = 245,623.48 : x - Step 2: Convert to fraction form
378,658.68/567,604.74 = 245,623.48/x - Step 3: Cross multiply
378,658.68x = 567,604.74 × 245,623.48 - Step 4: Simplify right side
378,658.68x = 139,417,051,503.30 - Step 5: Solve for x
x = 139,417,051,503.30/378,658.68 - Step 6: Final answer
x = 368,186.60
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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.