Finding the Fourth Proportional to 202,877.70, 304,316.55 and 53,117.70
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Solution
The fourth proportional to 202,877.70, 304,316.55 and 53,117.70 is: 79,676.55
Step by Step Solution
- Step 1: Write the proportion equation
202,877.70 : 304,316.55 = 53,117.70 : x - Step 2: Convert to fraction form
202,877.70/304,316.55 = 53,117.70/x - Step 3: Cross multiply
202,877.70x = 304,316.55 × 53,117.70 - Step 4: Simplify right side
202,877.70x = 16,164,595,207.94 - Step 5: Solve for x
x = 16,164,595,207.94/202,877.70 - Step 6: Final answer
x = 79,676.55
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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.