Finding the Fourth Proportional to 204,950.10, 305,364.50 and 193,490.93
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Solution
The fourth proportional to 204,950.10, 305,364.50 and 193,490.93 is: 288,290.95
Step by Step Solution
- Step 1: Write the proportion equation
204,950.10 : 305,364.50 = 193,490.93 : x - Step 2: Convert to fraction form
204,950.10/305,364.50 = 193,490.93/x - Step 3: Cross multiply
204,950.10x = 305,364.50 × 193,490.93 - Step 4: Simplify right side
204,950.10x = 59,085,258,599.71 - Step 5: Solve for x
x = 59,085,258,599.71/204,950.10 - Step 6: Final answer
x = 288,290.95
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.