Finding the Fourth Proportional to 283,630.96, 391,430.08 and 173,296.84
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Solution
The fourth proportional to 283,630.96, 391,430.08 and 173,296.84 is: 239,161.47
Step by Step Solution
- Step 1: Write the proportion equation
283,630.96 : 391,430.08 = 173,296.84 : x - Step 2: Convert to fraction form
283,630.96/391,430.08 = 173,296.84/x - Step 3: Cross multiply
283,630.96x = 391,430.08 × 173,296.84 - Step 4: Simplify right side
283,630.96x = 67,833,595,944.95 - Step 5: Solve for x
x = 67,833,595,944.95/283,630.96 - Step 6: Final answer
x = 239,161.47
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1.5x scale
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.