Finding the Fourth Proportional to 102,410.82, 153,510.68 and 39,213.68
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Solution
The fourth proportional to 102,410.82, 153,510.68 and 39,213.68 is: 58,780.09
Step by Step Solution
- Step 1: Write the proportion equation
102,410.82 : 153,510.68 = 39,213.68 : x - Step 2: Convert to fraction form
102,410.82/153,510.68 = 39,213.68/x - Step 3: Cross multiply
102,410.82x = 153,510.68 × 39,213.68 - Step 4: Simplify right side
102,410.82x = 6,019,717,718.48 - Step 5: Solve for x
x = 6,019,717,718.48/102,410.82 - Step 6: Final answer
x = 58,780.09
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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.