Finding the Fourth Proportional to 147,049.08, 202,927.86 and 79,981.08
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Solution
The fourth proportional to 147,049.08, 202,927.86 and 79,981.08 is: 110,373.96
Step by Step Solution
- Step 1: Write the proportion equation
147,049.08 : 202,927.86 = 79,981.08 : x - Step 2: Convert to fraction form
147,049.08/202,927.86 = 79,981.08/x - Step 3: Cross multiply
147,049.08x = 202,927.86 × 79,981.08 - Step 4: Simplify right side
147,049.08x = 16,230,389,404.89 - Step 5: Solve for x
x = 16,230,389,404.89/147,049.08 - Step 6: Final answer
x = 110,373.96
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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.