Finding the Fourth Proportional to 247,634.69, 341,737.21 and 134,457.44
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Solution
The fourth proportional to 247,634.69, 341,737.21 and 134,457.44 is: 185,551.99
Step by Step Solution
- Step 1: Write the proportion equation
247,634.69 : 341,737.21 = 134,457.44 : x - Step 2: Convert to fraction form
247,634.69/341,737.21 = 134,457.44/x - Step 3: Cross multiply
247,634.69x = 341,737.21 × 134,457.44 - Step 4: Simplify right side
247,634.69x = 45,949,108,868.73 - Step 5: Solve for x
x = 45,949,108,868.73/247,634.69 - Step 6: Final answer
x = 185,551.99
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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.