Finding the Fourth Proportional to 250,299.18, 345,136.14 and 159,511.41
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Solution
The fourth proportional to 250,299.18, 345,136.14 and 159,511.41 is: 219,949.39
Step by Step Solution
- Step 1: Write the proportion equation
250,299.18 : 345,136.14 = 159,511.41 : x - Step 2: Convert to fraction form
250,299.18/345,136.14 = 159,511.41/x - Step 3: Cross multiply
250,299.18x = 345,136.14 × 159,511.41 - Step 4: Simplify right side
250,299.18x = 55,053,152,333.36 - Step 5: Solve for x
x = 55,053,152,333.36/250,299.18 - Step 6: Final answer
x = 219,949.39
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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.