Finding the Fourth Proportional to 405,202.75, 607,830.04 and 155,884.75
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Solution
The fourth proportional to 405,202.75, 607,830.04 and 155,884.75 is: 233,837.09
Step by Step Solution
- Step 1: Write the proportion equation
405,202.75 : 607,830.04 = 155,884.75 : x - Step 2: Convert to fraction form
405,202.75/607,830.04 = 155,884.75/x - Step 3: Cross multiply
405,202.75x = 607,830.04 × 155,884.75 - Step 4: Simplify right side
405,202.75x = 94,751,430,788.74 - Step 5: Solve for x
x = 94,751,430,788.74/405,202.75 - Step 6: Final answer
x = 233,837.09
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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.