Finding the Fourth Proportional to 494,441.14, 741,416.11 and 157,437.80
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Solution
The fourth proportional to 494,441.14, 741,416.11 and 157,437.80 is: 236,078.50
Step by Step Solution
- Step 1: Write the proportion equation
494,441.14 : 741,416.11 = 157,437.80 : x - Step 2: Convert to fraction form
494,441.14/741,416.11 = 157,437.80/x - Step 3: Cross multiply
494,441.14x = 741,416.11 × 157,437.80 - Step 4: Simplify right side
494,441.14x = 116,726,921,242.96 - Step 5: Solve for x
x = 116,726,921,242.96/494,441.14 - Step 6: Final answer
x = 236,078.50
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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.