Finding the Fourth Proportional to 222,215.68, 306,338.88 and 158,442.88
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Solution
The fourth proportional to 222,215.68, 306,338.88 and 158,442.88 is: 218,423.90
Step by Step Solution
- Step 1: Write the proportion equation
222,215.68 : 306,338.88 = 158,442.88 : x - Step 2: Convert to fraction form
222,215.68/306,338.88 = 158,442.88/x - Step 3: Cross multiply
222,215.68x = 306,338.88 × 158,442.88 - Step 4: Simplify right side
222,215.68x = 48,537,214,403.17 - Step 5: Solve for x
x = 48,537,214,403.17/222,215.68 - Step 6: Final answer
x = 218,423.90
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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.