Finding the Fourth Proportional to 225,400, 311,061.72 and 124,798
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Solution
The fourth proportional to 225,400, 311,061.72 and 124,798 is: 172,226.62
Step by Step Solution
- Step 1: Write the proportion equation
225,400 : 311,061.72 = 124,798 : x - Step 2: Convert to fraction form
225,400/311,061.72 = 124,798/x - Step 3: Cross multiply
225,400x = 311,061.72 × 124,798 - Step 4: Simplify right side
225,400x = 38,819,880,532.56 - Step 5: Solve for x
x = 38,819,880,532.56/225,400 - Step 6: Final answer
x = 172,226.62
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.