Finding the Fourth Proportional to 162,334.26, 243,588.60 and 79,228.26
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Solution
The fourth proportional to 162,334.26, 243,588.60 and 79,228.26 is: 118,884.95
Step by Step Solution
- Step 1: Write the proportion equation
162,334.26 : 243,588.60 = 79,228.26 : x - Step 2: Convert to fraction form
162,334.26/243,588.60 = 79,228.26/x - Step 3: Cross multiply
162,334.26x = 243,588.60 × 79,228.26 - Step 4: Simplify right side
162,334.26x = 19,299,100,933.84 - Step 5: Solve for x
x = 19,299,100,933.84/162,334.26 - Step 6: Final answer
x = 118,884.95
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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.