Finding the Fourth Proportional to 313,200.09, 432,217.26 and 169,960.10
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Solution
The fourth proportional to 313,200.09, 432,217.26 and 169,960.10 is: 234,545.55
Step by Step Solution
- Step 1: Write the proportion equation
313,200.09 : 432,217.26 = 169,960.10 : x - Step 2: Convert to fraction form
313,200.09/432,217.26 = 169,960.10/x - Step 3: Cross multiply
313,200.09x = 432,217.26 × 169,960.10 - Step 4: Simplify right side
313,200.09x = 73,459,686,570.24 - Step 5: Solve for x
x = 73,459,686,570.24/313,200.09 - Step 6: Final answer
x = 234,545.55
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1.5x scale
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.