Finding the Fourth Proportional to 98,197.92, 147,159.61 and 53,121.98
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Solution
The fourth proportional to 98,197.92, 147,159.61 and 53,121.98 is: 79,608.71
Step by Step Solution
- Step 1: Write the proportion equation
98,197.92 : 147,159.61 = 53,121.98 : x - Step 2: Convert to fraction form
98,197.92/147,159.61 = 53,121.98/x - Step 3: Cross multiply
98,197.92x = 147,159.61 × 53,121.98 - Step 4: Simplify right side
98,197.92x = 7,817,409,859.23 - Step 5: Solve for x
x = 7,817,409,859.23/98,197.92 - Step 6: Final answer
x = 79,608.71
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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.