Finding the Fourth Proportional to 106,929.62, 160,430.64 and 40,388.96
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Solution
The fourth proportional to 106,929.62, 160,430.64 and 40,388.96 is: 60,597.12
Step by Step Solution
- Step 1: Write the proportion equation
106,929.62 : 160,430.64 = 40,388.96 : x - Step 2: Convert to fraction form
106,929.62/160,430.64 = 40,388.96/x - Step 3: Cross multiply
106,929.62x = 160,430.64 × 40,388.96 - Step 4: Simplify right side
106,929.62x = 6,479,626,701.73 - Step 5: Solve for x
x = 6,479,626,701.73/106,929.62 - Step 6: Final answer
x = 60,597.12
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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.