Finding the Fourth Proportional to 190,479.60, 285,252.84 and 134,181.36
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Solution
The fourth proportional to 190,479.60, 285,252.84 and 134,181.36 is: 200,943.38
Step by Step Solution
- Step 1: Write the proportion equation
190,479.60 : 285,252.84 = 134,181.36 : x - Step 2: Convert to fraction form
190,479.60/285,252.84 = 134,181.36/x - Step 3: Cross multiply
190,479.60x = 285,252.84 × 134,181.36 - Step 4: Simplify right side
190,479.60x = 38,275,614,015.06 - Step 5: Solve for x
x = 38,275,614,015.06/190,479.60 - Step 6: Final answer
x = 200,943.38
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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.