Finding the Fourth Proportional to 282,385.44, 389,700.18 and 159,868.68
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Solution
The fourth proportional to 282,385.44, 389,700.18 and 159,868.68 is: 220,623.46
Step by Step Solution
- Step 1: Write the proportion equation
282,385.44 : 389,700.18 = 159,868.68 : x - Step 2: Convert to fraction form
282,385.44/389,700.18 = 159,868.68/x - Step 3: Cross multiply
282,385.44x = 389,700.18 × 159,868.68 - Step 4: Simplify right side
282,385.44x = 62,300,853,372.36 - Step 5: Solve for x
x = 62,300,853,372.36/282,385.44 - Step 6: Final answer
x = 220,623.46
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.