Finding the Fourth Proportional to 235,243.20, 324,529.80 and 158,737.08
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Solution
The fourth proportional to 235,243.20, 324,529.80 and 158,737.08 is: 218,985.77
Step by Step Solution
- Step 1: Write the proportion equation
235,243.20 : 324,529.80 = 158,737.08 : x - Step 2: Convert to fraction form
235,243.20/324,529.80 = 158,737.08/x - Step 3: Cross multiply
235,243.20x = 324,529.80 × 158,737.08 - Step 4: Simplify right side
235,243.20x = 51,514,912,824.98 - Step 5: Solve for x
x = 51,514,912,824.98/235,243.20 - Step 6: Final answer
x = 218,985.77
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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.