Finding the Fourth Proportional to 366,983.52, 550,476.12 and 100,747.68
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Solution
The fourth proportional to 366,983.52, 550,476.12 and 100,747.68 is: 151,121.75
Step by Step Solution
- Step 1: Write the proportion equation
366,983.52 : 550,476.12 = 100,747.68 : x - Step 2: Convert to fraction form
366,983.52/550,476.12 = 100,747.68/x - Step 3: Cross multiply
366,983.52x = 550,476.12 × 100,747.68 - Step 4: Simplify right side
366,983.52x = 55,459,191,985.40 - Step 5: Solve for x
x = 55,459,191,985.40/366,983.52 - Step 6: Final answer
x = 151,121.75
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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.