Finding the Fourth Proportional to 366,983.06, 550,415.55 and 100,681.79
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Solution
The fourth proportional to 366,983.06, 550,415.55 and 100,681.79 is: 151,006.49
Step by Step Solution
- Step 1: Write the proportion equation
366,983.06 : 550,415.55 = 100,681.79 : x - Step 2: Convert to fraction form
366,983.06/550,415.55 = 100,681.79/x - Step 3: Cross multiply
366,983.06x = 550,415.55 × 100,681.79 - Step 4: Simplify right side
366,983.06x = 55,416,822,817.83 - Step 5: Solve for x
x = 55,416,822,817.83/366,983.06 - Step 6: Final answer
x = 151,006.49
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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.