Finding the Fourth Proportional to 226,387.68, 312,399.88 and 124,410.95
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Solution
The fourth proportional to 226,387.68, 312,399.88 and 124,410.95 is: 171,678.80
Step by Step Solution
- Step 1: Write the proportion equation
226,387.68 : 312,399.88 = 124,410.95 : x - Step 2: Convert to fraction form
226,387.68/312,399.88 = 124,410.95/x - Step 3: Cross multiply
226,387.68x = 312,399.88 × 124,410.95 - Step 4: Simplify right side
226,387.68x = 38,865,965,850.69 - Step 5: Solve for x
x = 38,865,965,850.69/226,387.68 - Step 6: Final answer
x = 171,678.80
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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.