Finding the Fourth Proportional to 283,984.67, 425,904.09 and 84,257.81
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Solution
The fourth proportional to 283,984.67, 425,904.09 and 84,257.81 is: 126,365.08
Step by Step Solution
- Step 1: Write the proportion equation
283,984.67 : 425,904.09 = 84,257.81 : x - Step 2: Convert to fraction form
283,984.67/425,904.09 = 84,257.81/x - Step 3: Cross multiply
283,984.67x = 425,904.09 × 84,257.81 - Step 4: Simplify right side
283,984.67x = 35,885,743,763.92 - Step 5: Solve for x
x = 35,885,743,763.92/283,984.67 - Step 6: Final answer
x = 126,365.08
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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.