Finding the Fourth Proportional to 268,755.05, 403,133.41 and 66,351.18
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Solution
The fourth proportional to 268,755.05, 403,133.41 and 66,351.18 is: 99,526.98
Step by Step Solution
- Step 1: Write the proportion equation
268,755.05 : 403,133.41 = 66,351.18 : x - Step 2: Convert to fraction form
268,755.05/403,133.41 = 66,351.18/x - Step 3: Cross multiply
268,755.05x = 403,133.41 × 66,351.18 - Step 4: Simplify right side
268,755.05x = 26,748,377,536.14 - Step 5: Solve for x
x = 26,748,377,536.14/268,755.05 - Step 6: Final answer
x = 99,526.98
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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.