Finding the Fourth Proportional to 514,538.70, 771,808.05 and 159,588.60
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Solution
The fourth proportional to 514,538.70, 771,808.05 and 159,588.60 is: 239,382.90
Step by Step Solution
- Step 1: Write the proportion equation
514,538.70 : 771,808.05 = 159,588.60 : x - Step 2: Convert to fraction form
514,538.70/771,808.05 = 159,588.60/x - Step 3: Cross multiply
514,538.70x = 771,808.05 × 159,588.60 - Step 4: Simplify right side
514,538.70x = 123,171,766,168.23 - Step 5: Solve for x
x = 123,171,766,168.23/514,538.70 - Step 6: Final answer
x = 239,382.90
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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.