Finding the Fourth Proportional to 155,135.84, 232,251.75 and 115,331.22
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Solution
The fourth proportional to 155,135.84, 232,251.75 and 115,331.22 is: 172,660.80
Step by Step Solution
- Step 1: Write the proportion equation
155,135.84 : 232,251.75 = 115,331.22 : x - Step 2: Convert to fraction form
155,135.84/232,251.75 = 115,331.22/x - Step 3: Cross multiply
155,135.84x = 232,251.75 × 115,331.22 - Step 4: Simplify right side
155,135.84x = 26,785,877,674.64 - Step 5: Solve for x
x = 26,785,877,674.64/155,135.84 - Step 6: Final answer
x = 172,660.80
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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.