Finding the Fourth Proportional to 352,428.74, 486,329.51 and 199,497.98
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Solution
The fourth proportional to 352,428.74, 486,329.51 and 199,497.98 is: 275,294.67
Step by Step Solution
- Step 1: Write the proportion equation
352,428.74 : 486,329.51 = 199,497.98 : x - Step 2: Convert to fraction form
352,428.74/486,329.51 = 199,497.98/x - Step 3: Cross multiply
352,428.74x = 486,329.51 × 199,497.98 - Step 4: Simplify right side
352,428.74x = 97,021,751,430.25 - Step 5: Solve for x
x = 97,021,751,430.25/352,428.74 - Step 6: Final answer
x = 275,294.67
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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.