Finding the Fourth Proportional to 146,806.13, 202,592.66 and 79,738.13
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Solution
The fourth proportional to 146,806.13, 202,592.66 and 79,738.13 is: 110,038.72
Step by Step Solution
- Step 1: Write the proportion equation
146,806.13 : 202,592.66 = 79,738.13 : x - Step 2: Convert to fraction form
146,806.13/202,592.66 = 79,738.13/x - Step 3: Cross multiply
146,806.13x = 202,592.66 × 79,738.13 - Step 4: Simplify right side
146,806.13x = 16,154,358,448.47 - Step 5: Solve for x
x = 16,154,358,448.47/146,806.13 - Step 6: Final answer
x = 110,038.72
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.