Finding the Fourth Proportional to 292,745.36, 403,988.64 and 158,609.36
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Solution
The fourth proportional to 292,745.36, 403,988.64 and 158,609.36 is: 218,880.94
Step by Step Solution
- Step 1: Write the proportion equation
292,745.36 : 403,988.64 = 158,609.36 : x - Step 2: Convert to fraction form
292,745.36/403,988.64 = 158,609.36/x - Step 3: Cross multiply
292,745.36x = 403,988.64 × 158,609.36 - Step 4: Simplify right side
292,745.36x = 64,076,379,637.67 - Step 5: Solve for x
x = 64,076,379,637.67/292,745.36 - Step 6: Final answer
x = 218,880.94
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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.