Finding the Fourth Proportional to 374,194.44, 515,781.69 and 292,379.64
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Solution
The fourth proportional to 374,194.44, 515,781.69 and 292,379.64 is: 403,009.90
Step by Step Solution
- Step 1: Write the proportion equation
374,194.44 : 515,781.69 = 292,379.64 : x - Step 2: Convert to fraction form
374,194.44/515,781.69 = 292,379.64/x - Step 3: Cross multiply
374,194.44x = 515,781.69 × 292,379.64 - Step 4: Simplify right side
374,194.44x = 150,804,064,840.79 - Step 5: Solve for x
x = 150,804,064,840.79/374,194.44 - Step 6: Final answer
x = 403,009.90
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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.