Finding the Fourth Proportional to 76,193.10, 114,400.62 and 56,264.09
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Solution
The fourth proportional to 76,193.10, 114,400.62 and 56,264.09 is: 84,478.07
Step by Step Solution
- Step 1: Write the proportion equation
76,193.10 : 114,400.62 = 56,264.09 : x - Step 2: Convert to fraction form
76,193.10/114,400.62 = 56,264.09/x - Step 3: Cross multiply
76,193.10x = 114,400.62 × 56,264.09 - Step 4: Simplify right side
76,193.10x = 6,436,646,207.73 - Step 5: Solve for x
x = 6,436,646,207.73/76,193.10 - Step 6: Final answer
x = 84,478.07
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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.