Finding the Fourth Proportional to 313,718.24, 470,665.20 and 126,860.96
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Solution
The fourth proportional to 313,718.24, 470,665.20 and 126,860.96 is: 190,326.96
Step by Step Solution
- Step 1: Write the proportion equation
313,718.24 : 470,665.20 = 126,860.96 : x - Step 2: Convert to fraction form
313,718.24/470,665.20 = 126,860.96/x - Step 3: Cross multiply
313,718.24x = 470,665.20 × 126,860.96 - Step 4: Simplify right side
313,718.24x = 59,709,039,110.59 - Step 5: Solve for x
x = 59,709,039,110.59/313,718.24 - Step 6: Final answer
x = 190,326.96
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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.