Finding the Fourth Proportional to 247,428.40, 341,451.12 and 134,251.12
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Solution
The fourth proportional to 247,428.40, 341,451.12 and 134,251.12 is: 185,266.51
Step by Step Solution
- Step 1: Write the proportion equation
247,428.40 : 341,451.12 = 134,251.12 : x - Step 2: Convert to fraction form
247,428.40/341,451.12 = 134,251.12/x - Step 3: Cross multiply
247,428.40x = 341,451.12 × 134,251.12 - Step 4: Simplify right side
247,428.40x = 45,840,195,285.25 - Step 5: Solve for x
x = 45,840,195,285.25/247,428.40 - Step 6: Final answer
x = 185,266.51
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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.