Finding the Fourth Proportional to 286,104.84, 394,896.36 and 165,316.28
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Solution
The fourth proportional to 286,104.84, 394,896.36 and 165,316.28 is: 228,177.88
Step by Step Solution
- Step 1: Write the proportion equation
286,104.84 : 394,896.36 = 165,316.28 : x - Step 2: Convert to fraction form
286,104.84/394,896.36 = 165,316.28/x - Step 3: Cross multiply
286,104.84x = 394,896.36 × 165,316.28 - Step 4: Simplify right side
286,104.84x = 65,282,797,220.74 - Step 5: Solve for x
x = 65,282,797,220.74/286,104.84 - Step 6: Final answer
x = 228,177.88
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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.