Finding the Fourth Proportional to 147,946.08, 221,919.20 and 49,450.08
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Solution
The fourth proportional to 147,946.08, 221,919.20 and 49,450.08 is: 74,175.15
Step by Step Solution
- Step 1: Write the proportion equation
147,946.08 : 221,919.20 = 49,450.08 : x - Step 2: Convert to fraction form
147,946.08/221,919.20 = 49,450.08/x - Step 3: Cross multiply
147,946.08x = 221,919.20 × 49,450.08 - Step 4: Simplify right side
147,946.08x = 10,973,922,193.54 - Step 5: Solve for x
x = 10,973,922,193.54/147,946.08 - Step 6: Final answer
x = 74,175.15
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1.5x scale
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.