Finding the Fourth Proportional to 144,716.02, 199,710.23 and 84,285.09
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Solution
The fourth proportional to 144,716.02, 199,710.23 and 84,285.09 is: 116,314.66
Step by Step Solution
- Step 1: Write the proportion equation
144,716.02 : 199,710.23 = 84,285.09 : x - Step 2: Convert to fraction form
144,716.02/199,710.23 = 84,285.09/x - Step 3: Cross multiply
144,716.02x = 199,710.23 × 84,285.09 - Step 4: Simplify right side
144,716.02x = 16,832,594,288.05 - Step 5: Solve for x
x = 16,832,594,288.05/144,716.02 - Step 6: Final answer
x = 116,314.66
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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.