Finding the Fourth Proportional to 404,575.75, 606,892.79 and 155,257.75
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Solution
The fourth proportional to 404,575.75, 606,892.79 and 155,257.75 is: 232,897.82
Step by Step Solution
- Step 1: Write the proportion equation
404,575.75 : 606,892.79 = 155,257.75 : x - Step 2: Convert to fraction form
404,575.75/606,892.79 = 155,257.75/x - Step 3: Cross multiply
404,575.75x = 606,892.79 × 155,257.75 - Step 4: Simplify right side
404,575.75x = 94,224,809,066.62 - Step 5: Solve for x
x = 94,224,809,066.62/404,575.75 - Step 6: Final answer
x = 232,897.82
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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.