Finding the Fourth Proportional to 208,732.99, 288,045.83 and 115,595.49
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Solution
The fourth proportional to 208,732.99, 288,045.83 and 115,595.49 is: 159,518.62
Step by Step Solution
- Step 1: Write the proportion equation
208,732.99 : 288,045.83 = 115,595.49 : x - Step 2: Convert to fraction form
208,732.99/288,045.83 = 115,595.49/x - Step 3: Cross multiply
208,732.99x = 288,045.83 × 115,595.49 - Step 4: Simplify right side
208,732.99x = 33,296,798,861.31 - Step 5: Solve for x
x = 33,296,798,861.31/208,732.99 - Step 6: Final answer
x = 159,518.62
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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.