Finding the Fourth Proportional to 177,832.36, 245,497.80 and 137,454.88
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Solution
The fourth proportional to 177,832.36, 245,497.80 and 137,454.88 is: 189,756.64
Step by Step Solution
- Step 1: Write the proportion equation
177,832.36 : 245,497.80 = 137,454.88 : x - Step 2: Convert to fraction form
177,832.36/245,497.80 = 137,454.88/x - Step 3: Cross multiply
177,832.36x = 245,497.80 × 137,454.88 - Step 4: Simplify right side
177,832.36x = 33,744,870,639.26 - Step 5: Solve for x
x = 33,744,870,639.26/177,832.36 - Step 6: Final answer
x = 189,756.64
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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.