Finding the Fourth Proportional to 283,749.65, 425,686.74 and 84,085.66
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Solution
The fourth proportional to 283,749.65, 425,686.74 and 84,085.66 is: 126,146.94
Step by Step Solution
- Step 1: Write the proportion equation
283,749.65 : 425,686.74 = 84,085.66 : x - Step 2: Convert to fraction form
283,749.65/425,686.74 = 84,085.66/x - Step 3: Cross multiply
283,749.65x = 425,686.74 × 84,085.66 - Step 4: Simplify right side
283,749.65x = 35,794,150,486.15 - Step 5: Solve for x
x = 35,794,150,486.15/283,749.65 - Step 6: Final answer
x = 126,146.94
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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.