Finding the Fourth Proportional to 283,799.60, 425,782.44 and 91,669.66
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Solution
The fourth proportional to 283,799.60, 425,782.44 and 91,669.66 is: 137,531.31
Step by Step Solution
- Step 1: Write the proportion equation
283,799.60 : 425,782.44 = 91,669.66 : x - Step 2: Convert to fraction form
283,799.60/425,782.44 = 91,669.66/x - Step 3: Cross multiply
283,799.60x = 425,782.44 × 91,669.66 - Step 4: Simplify right side
283,799.60x = 39,031,330,444.31 - Step 5: Solve for x
x = 39,031,330,444.31/283,799.60 - Step 6: Final answer
x = 137,531.31
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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.