Finding the Fourth Proportional to 253,447.84, 380,243.58 and 126,935.29
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Solution
The fourth proportional to 253,447.84, 380,243.58 and 126,935.29 is: 190,438.90
Step by Step Solution
- Step 1: Write the proportion equation
253,447.84 : 380,243.58 = 126,935.29 : x - Step 2: Convert to fraction form
253,447.84/380,243.58 = 126,935.29/x - Step 3: Cross multiply
253,447.84x = 380,243.58 × 126,935.29 - Step 4: Simplify right side
253,447.84x = 48,266,329,097.94 - Step 5: Solve for x
x = 48,266,329,097.94/253,447.84 - Step 6: Final answer
x = 190,438.90
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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.