Finding the Fourth Proportional to 476,598.13, 657,716.83 and 261,742.79
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Solution
The fourth proportional to 476,598.13, 657,716.83 and 261,742.79 is: 361,211.32
Step by Step Solution
- Step 1: Write the proportion equation
476,598.13 : 657,716.83 = 261,742.79 : x - Step 2: Convert to fraction form
476,598.13/657,716.83 = 261,742.79/x - Step 3: Cross multiply
476,598.13x = 657,716.83 × 261,742.79 - Step 4: Simplify right side
476,598.13x = 172,152,639,104.09 - Step 5: Solve for x
x = 172,152,639,104.09/476,598.13 - Step 6: Final answer
x = 361,211.32
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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.