Finding the Fourth Proportional to 357,687.33, 536,531.11 and 133,018.44
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Solution
The fourth proportional to 357,687.33, 536,531.11 and 133,018.44 is: 199,527.70
Step by Step Solution
- Step 1: Write the proportion equation
357,687.33 : 536,531.11 = 133,018.44 : x - Step 2: Convert to fraction form
357,687.33/536,531.11 = 133,018.44/x - Step 3: Cross multiply
357,687.33x = 536,531.11 × 133,018.44 - Step 4: Simplify right side
357,687.33x = 71,368,528,919.13 - Step 5: Solve for x
x = 71,368,528,919.13/357,687.33 - Step 6: Final answer
x = 199,527.70
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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.