Finding the Fourth Proportional to 169,939.53, 234,490.28 and 98,326.23
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Solution
The fourth proportional to 169,939.53, 234,490.28 and 98,326.23 is: 135,674.99
Step by Step Solution
- Step 1: Write the proportion equation
169,939.53 : 234,490.28 = 98,326.23 : x - Step 2: Convert to fraction form
169,939.53/234,490.28 = 98,326.23/x - Step 3: Cross multiply
169,939.53x = 234,490.28 × 98,326.23 - Step 4: Simplify right side
169,939.53x = 23,056,544,712.41 - Step 5: Solve for x
x = 23,056,544,712.41/169,939.53 - Step 6: Final answer
x = 135,674.99
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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.