Finding the Fourth Proportional to 315,537.48, 435,110.13 and 207,969.75
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Solution
The fourth proportional to 315,537.48, 435,110.13 and 207,969.75 is: 286,779.70
Step by Step Solution
- Step 1: Write the proportion equation
315,537.48 : 435,110.13 = 207,969.75 : x - Step 2: Convert to fraction form
315,537.48/435,110.13 = 207,969.75/x - Step 3: Cross multiply
315,537.48x = 435,110.13 × 207,969.75 - Step 4: Simplify right side
315,537.48x = 90,489,744,958.57 - Step 5: Solve for x
x = 90,489,744,958.57/315,537.48 - Step 6: Final answer
x = 286,779.70
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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.