Finding the Fourth Proportional to 225,979.58, 311,850.97 and 124,006.75
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Solution
The fourth proportional to 225,979.58, 311,850.97 and 124,006.75 is: 171,128.84
Step by Step Solution
- Step 1: Write the proportion equation
225,979.58 : 311,850.97 = 124,006.75 : x - Step 2: Convert to fraction form
225,979.58/311,850.97 = 124,006.75/x - Step 3: Cross multiply
225,979.58x = 311,850.97 × 124,006.75 - Step 4: Simplify right side
225,979.58x = 38,671,624,184.40 - Step 5: Solve for x
x = 38,671,624,184.40/225,979.58 - Step 6: Final answer
x = 171,128.84
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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.