Finding the Fourth Proportional to 239,885.12, 331,039.84 and 132,461.92
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Solution
The fourth proportional to 239,885.12, 331,039.84 and 132,461.92 is: 182,796.55
Step by Step Solution
- Step 1: Write the proportion equation
239,885.12 : 331,039.84 = 132,461.92 : x - Step 2: Convert to fraction form
239,885.12/331,039.84 = 132,461.92/x - Step 3: Cross multiply
239,885.12x = 331,039.84 × 132,461.92 - Step 4: Simplify right side
239,885.12x = 43,850,172,802.89 - Step 5: Solve for x
x = 43,850,172,802.89/239,885.12 - Step 6: Final answer
x = 182,796.55
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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.