Finding the Fourth Proportional to 292,072.68, 403,100.64 and 171,243.72
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Solution
The fourth proportional to 292,072.68, 403,100.64 and 171,243.72 is: 236,339.99
Step by Step Solution
- Step 1: Write the proportion equation
292,072.68 : 403,100.64 = 171,243.72 : x - Step 2: Convert to fraction form
292,072.68/403,100.64 = 171,243.72/x - Step 3: Cross multiply
292,072.68x = 403,100.64 × 171,243.72 - Step 4: Simplify right side
292,072.68x = 69,028,453,127.98 - Step 5: Solve for x
x = 69,028,453,127.98/292,072.68 - Step 6: Final answer
x = 236,339.99
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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.