Finding the Fourth Proportional to 283,229.70, 390,811.26 and 162,348.75
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Solution
The fourth proportional to 283,229.70, 390,811.26 and 162,348.75 is: 224,015.06
Step by Step Solution
- Step 1: Write the proportion equation
283,229.70 : 390,811.26 = 162,348.75 : x - Step 2: Convert to fraction form
283,229.70/390,811.26 = 162,348.75/x - Step 3: Cross multiply
283,229.70x = 390,811.26 × 162,348.75 - Step 4: Simplify right side
283,229.70x = 63,447,719,546.93 - Step 5: Solve for x
x = 63,447,719,546.93/283,229.70 - Step 6: Final answer
x = 224,015.06
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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.