Finding the Fourth Proportional to 283,665.08, 425,496.30 and 83,986.68
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Solution
The fourth proportional to 283,665.08, 425,496.30 and 83,986.68 is: 125,979.63
Step by Step Solution
- Step 1: Write the proportion equation
283,665.08 : 425,496.30 = 83,986.68 : x - Step 2: Convert to fraction form
283,665.08/425,496.30 = 83,986.68/x - Step 3: Cross multiply
283,665.08x = 425,496.30 × 83,986.68 - Step 4: Simplify right side
283,665.08x = 35,736,021,589.28 - Step 5: Solve for x
x = 35,736,021,589.28/283,665.08 - Step 6: Final answer
x = 125,979.63
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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.