Finding the Fourth Proportional to 135,052.20, 202,578.30 and 93,061.80
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Solution
The fourth proportional to 135,052.20, 202,578.30 and 93,061.80 is: 139,592.70
Step by Step Solution
- Step 1: Write the proportion equation
135,052.20 : 202,578.30 = 93,061.80 : x - Step 2: Convert to fraction form
135,052.20/202,578.30 = 93,061.80/x - Step 3: Cross multiply
135,052.20x = 202,578.30 × 93,061.80 - Step 4: Simplify right side
135,052.20x = 18,852,301,238.94 - Step 5: Solve for x
x = 18,852,301,238.94/135,052.20 - Step 6: Final answer
x = 139,592.70
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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.