Finding the Fourth Proportional to 455,052.23, 627,971.60 and 251,103.09
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Solution
The fourth proportional to 455,052.23, 627,971.60 and 251,103.09 is: 346,522.00
Step by Step Solution
- Step 1: Write the proportion equation
455,052.23 : 627,971.60 = 251,103.09 : x - Step 2: Convert to fraction form
455,052.23/627,971.60 = 251,103.09/x - Step 3: Cross multiply
455,052.23x = 627,971.60 × 251,103.09 - Step 4: Simplify right side
455,052.23x = 157,685,609,192.24 - Step 5: Solve for x
x = 157,685,609,192.24/455,052.23 - Step 6: Final answer
x = 346,522.00
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.