Finding the Fourth Proportional to 120,663.23, 180,964.47 and 49,605.68
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Solution
The fourth proportional to 120,663.23, 180,964.47 and 49,605.68 is: 74,396.03
Step by Step Solution
- Step 1: Write the proportion equation
120,663.23 : 180,964.47 = 49,605.68 : x - Step 2: Convert to fraction form
120,663.23/180,964.47 = 49,605.68/x - Step 3: Cross multiply
120,663.23x = 180,964.47 × 49,605.68 - Step 4: Simplify right side
120,663.23x = 8,976,865,590.19 - Step 5: Solve for x
x = 8,976,865,590.19/120,663.23 - Step 6: Final answer
x = 74,396.03
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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.