Finding the Fourth Proportional to 303,627.41, 454,942.61 and 103,838.79
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Solution
The fourth proportional to 303,627.41, 454,942.61 and 103,838.79 is: 155,587.70
Step by Step Solution
- Step 1: Write the proportion equation
303,627.41 : 454,942.61 = 103,838.79 : x - Step 2: Convert to fraction form
303,627.41/454,942.61 = 103,838.79/x - Step 3: Cross multiply
303,627.41x = 454,942.61 × 103,838.79 - Step 4: Simplify right side
303,627.41x = 47,240,689,622.65 - Step 5: Solve for x
x = 47,240,689,622.65/303,627.41 - Step 6: Final answer
x = 155,587.70
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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.