Finding the Fourth Proportional to 178,459.15, 246,294.21 and 106,839.13
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Solution
The fourth proportional to 178,459.15, 246,294.21 and 106,839.13 is: 147,450.32
Step by Step Solution
- Step 1: Write the proportion equation
178,459.15 : 246,294.21 = 106,839.13 : x - Step 2: Convert to fraction form
178,459.15/246,294.21 = 106,839.13/x - Step 3: Cross multiply
178,459.15x = 246,294.21 × 106,839.13 - Step 4: Simplify right side
178,459.15x = 26,313,859,120.44 - Step 5: Solve for x
x = 26,313,859,120.44/178,459.15 - Step 6: Final answer
x = 147,450.32
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.