Finding the Fourth Proportional to 299,617.23, 449,427.53 and 99,937.07
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Solution
The fourth proportional to 299,617.23, 449,427.53 and 99,937.07 is: 149,906.16
Step by Step Solution
- Step 1: Write the proportion equation
299,617.23 : 449,427.53 = 99,937.07 : x - Step 2: Convert to fraction form
299,617.23/449,427.53 = 99,937.07/x - Step 3: Cross multiply
299,617.23x = 449,427.53 × 99,937.07 - Step 4: Simplify right side
299,617.23x = 44,914,468,528.24 - Step 5: Solve for x
x = 44,914,468,528.24/299,617.23 - Step 6: Final answer
x = 149,906.16
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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.