Finding the Fourth Proportional to 307,571.40, 461,486.70 and 167,430.60
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Solution
The fourth proportional to 307,571.40, 461,486.70 and 167,430.60 is: 251,216.45
Step by Step Solution
- Step 1: Write the proportion equation
307,571.40 : 461,486.70 = 167,430.60 : x - Step 2: Convert to fraction form
307,571.40/461,486.70 = 167,430.60/x - Step 3: Cross multiply
307,571.40x = 461,486.70 × 167,430.60 - Step 4: Simplify right side
307,571.40x = 77,266,995,073.02 - Step 5: Solve for x
x = 77,266,995,073.02/307,571.40 - Step 6: Final answer
x = 251,216.45
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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.