Finding the Fourth Proportional to 877,524.42, 1,316,286.54 and 212,676.42
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Solution
The fourth proportional to 877,524.42, 1,316,286.54 and 212,676.42 is: 319,014.61
Step by Step Solution
- Step 1: Write the proportion equation
877,524.42 : 1,316,286.54 = 212,676.42 : x - Step 2: Convert to fraction form
877,524.42/1,316,286.54 = 212,676.42/x - Step 3: Cross multiply
877,524.42x = 1,316,286.54 × 212,676.42 - Step 4: Simplify right side
877,524.42x = 279,943,109,021.39 - Step 5: Solve for x
x = 279,943,109,021.39/877,524.42 - Step 6: Final answer
x = 319,014.61
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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.