Finding the Fourth Proportional to 407,450.10, 611,161.71 and 167,555.70
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Solution
The fourth proportional to 407,450.10, 611,161.71 and 167,555.70 is: 251,328.02
Step by Step Solution
- Step 1: Write the proportion equation
407,450.10 : 611,161.71 = 167,555.70 : x - Step 2: Convert to fraction form
407,450.10/611,161.71 = 167,555.70/x - Step 3: Cross multiply
407,450.10x = 611,161.71 × 167,555.70 - Step 4: Simplify right side
407,450.10x = 102,403,628,132.25 - Step 5: Solve for x
x = 102,403,628,132.25/407,450.10 - Step 6: Final answer
x = 251,328.02
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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.