Finding the Fourth Proportional to 359,968.19, 539,983.26 and 93,729.18
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Solution
The fourth proportional to 359,968.19, 539,983.26 and 93,729.18 is: 140,601.84
Step by Step Solution
- Step 1: Write the proportion equation
359,968.19 : 539,983.26 = 93,729.18 : x - Step 2: Convert to fraction form
359,968.19/539,983.26 = 93,729.18/x - Step 3: Cross multiply
359,968.19x = 539,983.26 × 93,729.18 - Step 4: Simplify right side
359,968.19x = 50,612,188,173.53 - Step 5: Solve for x
x = 50,612,188,173.53/359,968.19 - Step 6: Final answer
x = 140,601.84
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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.