Finding the Fourth Proportional to 283,598.49, 425,465.63 and 81,197.41
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Solution
The fourth proportional to 283,598.49, 425,465.63 and 81,197.41 is: 121,815.55
Step by Step Solution
- Step 1: Write the proportion equation
283,598.49 : 425,465.63 = 81,197.41 : x - Step 2: Convert to fraction form
283,598.49/425,465.63 = 81,197.41/x - Step 3: Cross multiply
283,598.49x = 425,465.63 × 81,197.41 - Step 4: Simplify right side
283,598.49x = 34,546,707,200.02 - Step 5: Solve for x
x = 34,546,707,200.02/283,598.49 - Step 6: Final answer
x = 121,815.55
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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.