Finding the Fourth Proportional to 324,173.17, 486,322.79 and 124,478.88
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Solution
The fourth proportional to 324,173.17, 486,322.79 and 124,478.88 is: 186,742.52
Step by Step Solution
- Step 1: Write the proportion equation
324,173.17 : 486,322.79 = 124,478.88 : x - Step 2: Convert to fraction form
324,173.17/486,322.79 = 124,478.88/x - Step 3: Cross multiply
324,173.17x = 486,322.79 × 124,478.88 - Step 4: Simplify right side
324,173.17x = 60,536,913,771.57 - Step 5: Solve for x
x = 60,536,913,771.57/324,173.17 - Step 6: Final answer
x = 186,742.52
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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.