Finding the Fourth Proportional to 283,756.40, 425,634.60 and 125,817.20
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Solution
The fourth proportional to 283,756.40, 425,634.60 and 125,817.20 is: 188,725.80
Step by Step Solution
- Step 1: Write the proportion equation
283,756.40 : 425,634.60 = 125,817.20 : x - Step 2: Convert to fraction form
283,756.40/425,634.60 = 125,817.20/x - Step 3: Cross multiply
283,756.40x = 425,634.60 × 125,817.20 - Step 4: Simplify right side
283,756.40x = 53,552,153,595.12 - Step 5: Solve for x
x = 53,552,153,595.12/283,756.40 - Step 6: Final answer
x = 188,725.80
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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.