Finding the Fourth Proportional to 331,818.40, 497,727.60 and 110,202.40
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Solution
The fourth proportional to 331,818.40, 497,727.60 and 110,202.40 is: 165,303.60
Step by Step Solution
- Step 1: Write the proportion equation
331,818.40 : 497,727.60 = 110,202.40 : x - Step 2: Convert to fraction form
331,818.40/497,727.60 = 110,202.40/x - Step 3: Cross multiply
331,818.40x = 497,727.60 × 110,202.40 - Step 4: Simplify right side
331,818.40x = 54,850,776,066.24 - Step 5: Solve for x
x = 54,850,776,066.24/331,818.40 - Step 6: Final answer
x = 165,303.60
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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.