Finding the Fourth Proportional to 283,377.30, 425,163.15 and 125,718.90
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Solution
The fourth proportional to 283,377.30, 425,163.15 and 125,718.90 is: 188,621.47
Step by Step Solution
- Step 1: Write the proportion equation
283,377.30 : 425,163.15 = 125,718.90 : x - Step 2: Convert to fraction form
283,377.30/425,163.15 = 125,718.90/x - Step 3: Cross multiply
283,377.30x = 425,163.15 × 125,718.90 - Step 4: Simplify right side
283,377.30x = 53,451,043,538.54 - Step 5: Solve for x
x = 53,451,043,538.54/283,377.30 - Step 6: Final answer
x = 188,621.47
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.