Finding the Fourth Proportional to 352,638.24, 486,503.12 and 201,654.56
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Solution
The fourth proportional to 352,638.24, 486,503.12 and 201,654.56 is: 278,204.58
Step by Step Solution
- Step 1: Write the proportion equation
352,638.24 : 486,503.12 = 201,654.56 : x - Step 2: Convert to fraction form
352,638.24/486,503.12 = 201,654.56/x - Step 3: Cross multiply
352,638.24x = 486,503.12 × 201,654.56 - Step 4: Simplify right side
352,638.24x = 98,105,572,602.23 - Step 5: Solve for x
x = 98,105,572,602.23/352,638.24 - Step 6: Final answer
x = 278,204.58
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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.