Finding the Fourth Proportional to 299,385.12, 413,151.84 and 165,249.12
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Solution
The fourth proportional to 299,385.12, 413,151.84 and 165,249.12 is: 228,043.99
Step by Step Solution
- Step 1: Write the proportion equation
299,385.12 : 413,151.84 = 165,249.12 : x - Step 2: Convert to fraction form
299,385.12/413,151.84 = 165,249.12/x - Step 3: Cross multiply
299,385.12x = 413,151.84 × 165,249.12 - Step 4: Simplify right side
299,385.12x = 68,272,977,986.38 - Step 5: Solve for x
x = 68,272,977,986.38/299,385.12 - Step 6: Final answer
x = 228,043.99
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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.