Finding the Fourth Proportional to 136,206.63, 204,368.70 and 51,992.08
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Solution
The fourth proportional to 136,206.63, 204,368.70 and 51,992.08 is: 78,010.55
Step by Step Solution
- Step 1: Write the proportion equation
136,206.63 : 204,368.70 = 51,992.08 : x - Step 2: Convert to fraction form
136,206.63/204,368.70 = 51,992.08/x - Step 3: Cross multiply
136,206.63x = 204,368.70 × 51,992.08 - Step 4: Simplify right side
136,206.63x = 10,625,553,483.94 - Step 5: Solve for x
x = 10,625,553,483.94/136,206.63 - Step 6: Final answer
x = 78,010.55
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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.