Finding the Fourth Proportional to 283,138.44, 390,747.18 and 162,299.82
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Solution
The fourth proportional to 283,138.44, 390,747.18 and 162,299.82 is: 223,983.00
Step by Step Solution
- Step 1: Write the proportion equation
283,138.44 : 390,747.18 = 162,299.82 : x - Step 2: Convert to fraction form
283,138.44/390,747.18 = 162,299.82/x - Step 3: Cross multiply
283,138.44x = 390,747.18 × 162,299.82 - Step 4: Simplify right side
283,138.44x = 63,418,196,979.51 - Step 5: Solve for x
x = 63,418,196,979.51/283,138.44 - Step 6: Final answer
x = 223,983.00
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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.