Finding the Fourth Proportional to 357,814.44, 536,721.21 and 91,575.09
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Solution
The fourth proportional to 357,814.44, 536,721.21 and 91,575.09 is: 137,362.52
Step by Step Solution
- Step 1: Write the proportion equation
357,814.44 : 536,721.21 = 91,575.09 : x - Step 2: Convert to fraction form
357,814.44/536,721.21 = 91,575.09/x - Step 3: Cross multiply
357,814.44x = 536,721.21 × 91,575.09 - Step 4: Simplify right side
357,814.44x = 49,150,293,110.66 - Step 5: Solve for x
x = 49,150,293,110.66/357,814.44 - Step 6: Final answer
x = 137,362.52
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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.