Finding the Fourth Proportional to 202,110.70, 303,166.05 and 68,995.30
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Solution
The fourth proportional to 202,110.70, 303,166.05 and 68,995.30 is: 103,492.95
Step by Step Solution
- Step 1: Write the proportion equation
202,110.70 : 303,166.05 = 68,995.30 : x - Step 2: Convert to fraction form
202,110.70/303,166.05 = 68,995.30/x - Step 3: Cross multiply
202,110.70x = 303,166.05 × 68,995.30 - Step 4: Simplify right side
202,110.70x = 20,917,032,569.57 - Step 5: Solve for x
x = 20,917,032,569.57/202,110.70 - Step 6: Final answer
x = 103,492.95
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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.