Finding the Fourth Proportional to 283,601.99, 390,832.39 and 202,889.37
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Solution
The fourth proportional to 283,601.99, 390,832.39 and 202,889.37 is: 279,602.19
Step by Step Solution
- Step 1: Write the proportion equation
283,601.99 : 390,832.39 = 202,889.37 : x - Step 2: Convert to fraction form
283,601.99/390,832.39 = 202,889.37/x - Step 3: Cross multiply
283,601.99x = 390,832.39 × 202,889.37 - Step 4: Simplify right side
283,601.99x = 79,295,739,101.93 - Step 5: Solve for x
x = 79,295,739,101.93/283,601.99 - Step 6: Final answer
x = 279,602.19
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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.