Finding the Fourth Proportional to 313,126.40, 469,688.33 and 113,400.14
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Solution
The fourth proportional to 313,126.40, 469,688.33 and 113,400.14 is: 170,099.75
Step by Step Solution
- Step 1: Write the proportion equation
313,126.40 : 469,688.33 = 113,400.14 : x - Step 2: Convert to fraction form
313,126.40/469,688.33 = 113,400.14/x - Step 3: Cross multiply
313,126.40x = 469,688.33 × 113,400.14 - Step 4: Simplify right side
313,126.40x = 53,262,723,836.09 - Step 5: Solve for x
x = 53,262,723,836.09/313,126.40 - Step 6: Final answer
x = 170,099.75
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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.