Finding the Fourth Proportional to 352,502.98, 486,402.79 and 201,570.82
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Solution
The fourth proportional to 352,502.98, 486,402.79 and 201,570.82 is: 278,138.38
Step by Step Solution
- Step 1: Write the proportion equation
352,502.98 : 486,402.79 = 201,570.82 : x - Step 2: Convert to fraction form
352,502.98/486,402.79 = 201,570.82/x - Step 3: Cross multiply
352,502.98x = 486,402.79 × 201,570.82 - Step 4: Simplify right side
352,502.98x = 98,044,609,230.59 - Step 5: Solve for x
x = 98,044,609,230.59/352,502.98 - Step 6: Final answer
x = 278,138.38
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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.