Finding the Fourth Proportional to 203,485.80, 305,012.70 and 98,236.20
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Solution
The fourth proportional to 203,485.80, 305,012.70 and 98,236.20 is: 147,250.02
Step by Step Solution
- Step 1: Write the proportion equation
203,485.80 : 305,012.70 = 98,236.20 : x - Step 2: Convert to fraction form
203,485.80/305,012.70 = 98,236.20/x - Step 3: Cross multiply
203,485.80x = 305,012.70 × 98,236.20 - Step 4: Simplify right side
203,485.80x = 29,963,288,599.74 - Step 5: Solve for x
x = 29,963,288,599.74/203,485.80 - Step 6: Final answer
x = 147,250.02
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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.