Finding the Fourth Proportional to 283,370.14, 390,933.44 and 168,625.81
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Solution
The fourth proportional to 283,370.14, 390,933.44 and 168,625.81 is: 232,633.78
Step by Step Solution
- Step 1: Write the proportion equation
283,370.14 : 390,933.44 = 168,625.81 : x - Step 2: Convert to fraction form
283,370.14/390,933.44 = 168,625.81/x - Step 3: Cross multiply
283,370.14x = 390,933.44 × 168,625.81 - Step 4: Simplify right side
283,370.14x = 65,921,467,132.96 - Step 5: Solve for x
x = 65,921,467,132.96/283,370.14 - Step 6: Final answer
x = 232,633.78
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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.