Finding the Fourth Proportional to 177,961.58, 245,549.00 and 105,387.29
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Solution
The fourth proportional to 177,961.58, 245,549.00 and 105,387.29 is: 145,411.96
Step by Step Solution
- Step 1: Write the proportion equation
177,961.58 : 245,549.00 = 105,387.29 : x - Step 2: Convert to fraction form
177,961.58/245,549.00 = 105,387.29/x - Step 3: Cross multiply
177,961.58x = 245,549.00 × 105,387.29 - Step 4: Simplify right side
177,961.58x = 25,877,741,917.53 - Step 5: Solve for x
x = 25,877,741,917.53/177,961.58 - Step 6: Final answer
x = 145,411.96
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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.