Finding the Fourth Proportional to 245,405.04, 338,570.84 and 160,571.36
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Solution
The fourth proportional to 245,405.04, 338,570.84 and 160,571.36 is: 221,530.82
Step by Step Solution
- Step 1: Write the proportion equation
245,405.04 : 338,570.84 = 160,571.36 : x - Step 2: Convert to fraction form
245,405.04/338,570.84 = 160,571.36/x - Step 3: Cross multiply
245,405.04x = 338,570.84 × 160,571.36 - Step 4: Simplify right side
245,405.04x = 54,364,780,235.14 - Step 5: Solve for x
x = 54,364,780,235.14/245,405.04 - Step 6: Final answer
x = 221,530.82
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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.