Finding the Fourth Proportional to 203,924.95, 281,461.41 and 113,312.05
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Solution
The fourth proportional to 203,924.95, 281,461.41 and 113,312.05 is: 156,395.62
Step by Step Solution
- Step 1: Write the proportion equation
203,924.95 : 281,461.41 = 113,312.05 : x - Step 2: Convert to fraction form
203,924.95/281,461.41 = 113,312.05/x - Step 3: Cross multiply
203,924.95x = 281,461.41 × 113,312.05 - Step 4: Simplify right side
203,924.95x = 31,892,969,362.99 - Step 5: Solve for x
x = 31,892,969,362.99/203,924.95 - Step 6: Final answer
x = 156,395.62
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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.