Finding the Fourth Proportional to 299,511.99, 449,143.20 and 121,898.43
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Solution
The fourth proportional to 299,511.99, 449,143.20 and 121,898.43 is: 182,796.86
Step by Step Solution
- Step 1: Write the proportion equation
299,511.99 : 449,143.20 = 121,898.43 : x - Step 2: Convert to fraction form
299,511.99/449,143.20 = 121,898.43/x - Step 3: Cross multiply
299,511.99x = 449,143.20 × 121,898.43 - Step 4: Simplify right side
299,511.99x = 54,749,850,925.18 - Step 5: Solve for x
x = 54,749,850,925.18/299,511.99 - Step 6: Final answer
x = 182,796.86
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1.5x scale
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.