Finding the Fourth Proportional to 126,442.22, 189,691.58 and 47,557.13
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Solution
The fourth proportional to 126,442.22, 189,691.58 and 47,557.13 is: 71,346.32
Step by Step Solution
- Step 1: Write the proportion equation
126,442.22 : 189,691.58 = 47,557.13 : x - Step 2: Convert to fraction form
126,442.22/189,691.58 = 47,557.13/x - Step 3: Cross multiply
126,442.22x = 189,691.58 × 47,557.13 - Step 4: Simplify right side
126,442.22x = 9,021,186,892.18 - Step 5: Solve for x
x = 9,021,186,892.18/126,442.22 - Step 6: Final answer
x = 71,346.32
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.