Finding the Fourth Proportional to 293,361.44, 439,971.68 and 135,438.24
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Solution
The fourth proportional to 293,361.44, 439,971.68 and 135,438.24 is: 203,124.82
Step by Step Solution
- Step 1: Write the proportion equation
293,361.44 : 439,971.68 = 135,438.24 : x - Step 2: Convert to fraction form
293,361.44/439,971.68 = 135,438.24/x - Step 3: Cross multiply
293,361.44x = 439,971.68 × 135,438.24 - Step 4: Simplify right side
293,361.44x = 59,588,989,989.04 - Step 5: Solve for x
x = 59,588,989,989.04/293,361.44 - Step 6: Final answer
x = 203,124.82
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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.