Finding the Fourth Proportional to 371,419.92, 512,559.48 and 201,654.06
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Solution
The fourth proportional to 371,419.92, 512,559.48 and 201,654.06 is: 278,282.60
Step by Step Solution
- Step 1: Write the proportion equation
371,419.92 : 512,559.48 = 201,654.06 : x - Step 2: Convert to fraction form
371,419.92/512,559.48 = 201,654.06/x - Step 3: Cross multiply
371,419.92x = 512,559.48 × 201,654.06 - Step 4: Simplify right side
371,419.92x = 103,359,700,133.49 - Step 5: Solve for x
x = 103,359,700,133.49/371,419.92 - Step 6: Final answer
x = 278,282.60
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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.