Finding the Fourth Proportional to 74,778.02, 103,193.19 and 41,244.02
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Solution
The fourth proportional to 74,778.02, 103,193.19 and 41,244.02 is: 56,916.48
Step by Step Solution
- Step 1: Write the proportion equation
74,778.02 : 103,193.19 = 41,244.02 : x - Step 2: Convert to fraction form
74,778.02/103,193.19 = 41,244.02/x - Step 3: Cross multiply
74,778.02x = 103,193.19 × 41,244.02 - Step 4: Simplify right side
74,778.02x = 4,256,101,992.22 - Step 5: Solve for x
x = 4,256,101,992.22/74,778.02 - Step 6: Final answer
x = 56,916.48
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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.