Finding the Fourth Proportional to 283,881.44, 425,749.50 and 84,155.12
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Solution
The fourth proportional to 283,881.44, 425,749.50 and 84,155.12 is: 126,211.14
Step by Step Solution
- Step 1: Write the proportion equation
283,881.44 : 425,749.50 = 84,155.12 : x - Step 2: Convert to fraction form
283,881.44/425,749.50 = 84,155.12/x - Step 3: Cross multiply
283,881.44x = 425,749.50 × 84,155.12 - Step 4: Simplify right side
283,881.44x = 35,829,000,262.44 - Step 5: Solve for x
x = 35,829,000,262.44/283,881.44 - Step 6: Final answer
x = 126,211.14
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.