Finding the Fourth Proportional to 324,073.40, 486,110.10 and 166,317.80
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Solution
The fourth proportional to 324,073.40, 486,110.10 and 166,317.80 is: 249,476.70
Step by Step Solution
- Step 1: Write the proportion equation
324,073.40 : 486,110.10 = 166,317.80 : x - Step 2: Convert to fraction form
324,073.40/486,110.10 = 166,317.80/x - Step 3: Cross multiply
324,073.40x = 486,110.10 × 166,317.80 - Step 4: Simplify right side
324,073.40x = 80,848,762,389.78 - Step 5: Solve for x
x = 80,848,762,389.78/324,073.40 - Step 6: Final answer
x = 249,476.70
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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.