Finding the Fourth Proportional to 314,358.26, 471,537.54 and 103,996.19
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Solution
The fourth proportional to 314,358.26, 471,537.54 and 103,996.19 is: 155,994.33
Step by Step Solution
- Step 1: Write the proportion equation
314,358.26 : 471,537.54 = 103,996.19 : x - Step 2: Convert to fraction form
314,358.26/471,537.54 = 103,996.19/x - Step 3: Cross multiply
314,358.26x = 471,537.54 × 103,996.19 - Step 4: Simplify right side
314,358.26x = 49,038,107,601.97 - Step 5: Solve for x
x = 49,038,107,601.97/314,358.26 - Step 6: Final answer
x = 155,994.33
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.