Finding the Fourth Proportional to 283,166.36, 390,724.80 and 162,284.36
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Solution
The fourth proportional to 283,166.36, 390,724.80 and 162,284.36 is: 223,926.75
Step by Step Solution
- Step 1: Write the proportion equation
283,166.36 : 390,724.80 = 162,284.36 : x - Step 2: Convert to fraction form
283,166.36/390,724.80 = 162,284.36/x - Step 3: Cross multiply
283,166.36x = 390,724.80 × 162,284.36 - Step 4: Simplify right side
283,166.36x = 63,408,524,104.13 - Step 5: Solve for x
x = 63,408,524,104.13/283,166.36 - Step 6: Final answer
x = 223,926.75
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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.