Finding the Fourth Proportional to 301,587.09, 416,197.16 and 172,537.68
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Solution
The fourth proportional to 301,587.09, 416,197.16 and 172,537.68 is: 238,105.99
Step by Step Solution
- Step 1: Write the proportion equation
301,587.09 : 416,197.16 = 172,537.68 : x - Step 2: Convert to fraction form
301,587.09/416,197.16 = 172,537.68/x - Step 3: Cross multiply
301,587.09x = 416,197.16 × 172,537.68 - Step 4: Simplify right side
301,587.09x = 71,809,692,408.99 - Step 5: Solve for x
x = 71,809,692,408.99/301,587.09 - Step 6: Final answer
x = 238,105.99
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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.