Finding the Fourth Proportional to 283,905.44, 425,960.16 and 121,731.68
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Solution
The fourth proportional to 283,905.44, 425,960.16 and 121,731.68 is: 182,641.26
Step by Step Solution
- Step 1: Write the proportion equation
283,905.44 : 425,960.16 = 121,731.68 : x - Step 2: Convert to fraction form
283,905.44/425,960.16 = 121,731.68/x - Step 3: Cross multiply
283,905.44x = 425,960.16 × 121,731.68 - Step 4: Simplify right side
283,905.44x = 51,852,845,889.87 - Step 5: Solve for x
x = 51,852,845,889.87/283,905.44 - Step 6: Final answer
x = 182,641.26
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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.