Finding the Fourth Proportional to 129,260.40, 193,825.80 and 59,060.40
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Solution
The fourth proportional to 129,260.40, 193,825.80 and 59,060.40 is: 88,560.99
Step by Step Solution
- Step 1: Write the proportion equation
129,260.40 : 193,825.80 = 59,060.40 : x - Step 2: Convert to fraction form
129,260.40/193,825.80 = 59,060.40/x - Step 3: Cross multiply
129,260.40x = 193,825.80 × 59,060.40 - Step 4: Simplify right side
129,260.40x = 11,447,429,278.32 - Step 5: Solve for x
x = 11,447,429,278.32/129,260.40 - Step 6: Final answer
x = 88,560.99
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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.