Finding the Fourth Proportional to 512,192.16, 706,755.60 and 297,298.08
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Solution
The fourth proportional to 512,192.16, 706,755.60 and 297,298.08 is: 410,230.96
Step by Step Solution
- Step 1: Write the proportion equation
512,192.16 : 706,755.60 = 297,298.08 : x - Step 2: Convert to fraction form
512,192.16/706,755.60 = 297,298.08/x - Step 3: Cross multiply
512,192.16x = 706,755.60 × 297,298.08 - Step 4: Simplify right side
512,192.16x = 210,117,082,909.25 - Step 5: Solve for x
x = 210,117,082,909.25/512,192.16 - Step 6: Final answer
x = 410,230.96
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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.