Finding the Fourth Proportional to 188,963.97, 283,444.19 and 76,617.49
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Solution
The fourth proportional to 188,963.97, 283,444.19 and 76,617.49 is: 114,925.51
Step by Step Solution
- Step 1: Write the proportion equation
188,963.97 : 283,444.19 = 76,617.49 : x - Step 2: Convert to fraction form
188,963.97/283,444.19 = 76,617.49/x - Step 3: Cross multiply
188,963.97x = 283,444.19 × 76,617.49 - Step 4: Simplify right side
188,963.97x = 21,716,781,301.19 - Step 5: Solve for x
x = 21,716,781,301.19/188,963.97 - Step 6: Final answer
x = 114,925.51
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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.