Finding the Fourth Proportional to 202,113.80, 303,170.70 and 148,969.70
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Solution
The fourth proportional to 202,113.80, 303,170.70 and 148,969.70 is: 223,454.55
Step by Step Solution
- Step 1: Write the proportion equation
202,113.80 : 303,170.70 = 148,969.70 : x - Step 2: Convert to fraction form
202,113.80/303,170.70 = 148,969.70/x - Step 3: Cross multiply
202,113.80x = 303,170.70 × 148,969.70 - Step 4: Simplify right side
202,113.80x = 45,163,248,227.79 - Step 5: Solve for x
x = 45,163,248,227.79/202,113.80 - Step 6: Final answer
x = 223,454.55
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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.