Finding the Fourth Proportional to 203,485.80, 305,228.70 and 150,341.70
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Solution
The fourth proportional to 203,485.80, 305,228.70 and 150,341.70 is: 225,512.55
Step by Step Solution
- Step 1: Write the proportion equation
203,485.80 : 305,228.70 = 150,341.70 : x - Step 2: Convert to fraction form
203,485.80/305,228.70 = 150,341.70/x - Step 3: Cross multiply
203,485.80x = 305,228.70 × 150,341.70 - Step 4: Simplify right side
203,485.80x = 45,888,601,646.79 - Step 5: Solve for x
x = 45,888,601,646.79/203,485.80 - Step 6: Final answer
x = 225,512.55
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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.