Finding the Fourth Proportional to 274,985.88, 412,471.26 and 87,994.68
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Solution
The fourth proportional to 274,985.88, 412,471.26 and 87,994.68 is: 131,989.60
Step by Step Solution
- Step 1: Write the proportion equation
274,985.88 : 412,471.26 = 87,994.68 : x - Step 2: Convert to fraction form
274,985.88/412,471.26 = 87,994.68/x - Step 3: Cross multiply
274,985.88x = 412,471.26 × 87,994.68 - Step 4: Simplify right side
274,985.88x = 36,295,276,532.90 - Step 5: Solve for x
x = 36,295,276,532.90/274,985.88 - Step 6: Final answer
x = 131,989.60
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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.