Finding the Fourth Proportional to 102,489.65, 153,738.59 and 32,368.98
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Solution
The fourth proportional to 102,489.65, 153,738.59 and 32,368.98 is: 48,554.77
Step by Step Solution
- Step 1: Write the proportion equation
102,489.65 : 153,738.59 = 32,368.98 : x - Step 2: Convert to fraction form
102,489.65/153,738.59 = 32,368.98/x - Step 3: Cross multiply
102,489.65x = 153,738.59 × 32,368.98 - Step 4: Simplify right side
102,489.65x = 4,976,361,344.94 - Step 5: Solve for x
x = 4,976,361,344.94/102,489.65 - Step 6: Final answer
x = 48,554.77
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.