Finding the Fourth Proportional to 129,029.53, 193,566.99 and 58,915.93
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Solution
The fourth proportional to 129,029.53, 193,566.99 and 58,915.93 is: 88,384.26
Step by Step Solution
- Step 1: Write the proportion equation
129,029.53 : 193,566.99 = 58,915.93 : x - Step 2: Convert to fraction form
129,029.53/193,566.99 = 58,915.93/x - Step 3: Cross multiply
129,029.53x = 193,566.99 × 58,915.93 - Step 4: Simplify right side
129,029.53x = 11,404,179,233.15 - Step 5: Solve for x
x = 11,404,179,233.15/129,029.53 - Step 6: Final answer
x = 88,384.26
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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.