Finding the Fourth Proportional to 283,023.05, 390,627.63 and 162,245.43
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Solution
The fourth proportional to 283,023.05, 390,627.63 and 162,245.43 is: 223,930.70
Step by Step Solution
- Step 1: Write the proportion equation
283,023.05 : 390,627.63 = 162,245.43 : x - Step 2: Convert to fraction form
283,023.05/390,627.63 = 162,245.43/x - Step 3: Cross multiply
283,023.05x = 390,627.63 × 162,245.43 - Step 4: Simplify right side
283,023.05x = 63,377,547,799.23 - Step 5: Solve for x
x = 63,377,547,799.23/283,023.05 - Step 6: Final answer
x = 223,930.70
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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.