Finding the Fourth Proportional to 250,193.68, 345,266.79 and 135,472.45
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Solution
The fourth proportional to 250,193.68, 345,266.79 and 135,472.45 is: 186,951.72
Step by Step Solution
- Step 1: Write the proportion equation
250,193.68 : 345,266.79 = 135,472.45 : x - Step 2: Convert to fraction form
250,193.68/345,266.79 = 135,472.45/x - Step 3: Cross multiply
250,193.68x = 345,266.79 × 135,472.45 - Step 4: Simplify right side
250,193.68x = 46,774,137,944.94 - Step 5: Solve for x
x = 46,774,137,944.94/250,193.68 - Step 6: Final answer
x = 186,951.72
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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.