Finding the Fourth Proportional to 177,957.12, 245,474.10 and 117,527.88
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Solution
The fourth proportional to 177,957.12, 245,474.10 and 117,527.88 is: 162,117.99
Step by Step Solution
- Step 1: Write the proportion equation
177,957.12 : 245,474.10 = 117,527.88 : x - Step 2: Convert to fraction form
177,957.12/245,474.10 = 117,527.88/x - Step 3: Cross multiply
177,957.12x = 245,474.10 × 117,527.88 - Step 4: Simplify right side
177,957.12x = 28,850,050,567.91 - Step 5: Solve for x
x = 28,850,050,567.91/177,957.12 - Step 6: Final answer
x = 162,117.99
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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.