Finding the Fourth Proportional to 144,267.67, 199,114.77 and 83,857.06
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Solution
The fourth proportional to 144,267.67, 199,114.77 and 83,857.06 is: 115,737.50
Step by Step Solution
- Step 1: Write the proportion equation
144,267.67 : 199,114.77 = 83,857.06 : x - Step 2: Convert to fraction form
144,267.67/199,114.77 = 83,857.06/x - Step 3: Cross multiply
144,267.67x = 199,114.77 × 83,857.06 - Step 4: Simplify right side
144,267.67x = 16,697,179,214.78 - Step 5: Solve for x
x = 16,697,179,214.78/144,267.67 - Step 6: Final answer
x = 115,737.50
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.