Finding the Fourth Proportional to 319,691.63, 479,537.31 and 95,051.09
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Solution
The fourth proportional to 319,691.63, 479,537.31 and 95,051.09 is: 142,576.59
Step by Step Solution
- Step 1: Write the proportion equation
319,691.63 : 479,537.31 = 95,051.09 : x - Step 2: Convert to fraction form
319,691.63/479,537.31 = 95,051.09/x - Step 3: Cross multiply
319,691.63x = 479,537.31 × 95,051.09 - Step 4: Simplify right side
319,691.63x = 45,580,544,011.17 - Step 5: Solve for x
x = 45,580,544,011.17/319,691.63 - Step 6: Final answer
x = 142,576.59
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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.