Finding the Fourth Proportional to 190,357.11, 285,536.31 and 48,202.32
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Solution
The fourth proportional to 190,357.11, 285,536.31 and 48,202.32 is: 72,303.64
Step by Step Solution
- Step 1: Write the proportion equation
190,357.11 : 285,536.31 = 48,202.32 : x - Step 2: Convert to fraction form
190,357.11/285,536.31 = 48,202.32/x - Step 3: Cross multiply
190,357.11x = 285,536.31 × 48,202.32 - Step 4: Simplify right side
190,357.11x = 13,763,512,586.24 - Step 5: Solve for x
x = 13,763,512,586.24/190,357.11 - Step 6: Final answer
x = 72,303.64
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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.