Finding the Fourth Proportional to 292,991.76, 404,330.64 and 170,557.08
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Solution
The fourth proportional to 292,991.76, 404,330.64 and 170,557.08 is: 235,369.94
Step by Step Solution
- Step 1: Write the proportion equation
292,991.76 : 404,330.64 = 170,557.08 : x - Step 2: Convert to fraction form
292,991.76/404,330.64 = 170,557.08/x - Step 3: Cross multiply
292,991.76x = 404,330.64 × 170,557.08 - Step 4: Simplify right side
292,991.76x = 68,961,453,312.93 - Step 5: Solve for x
x = 68,961,453,312.93/292,991.76 - Step 6: Final answer
x = 235,369.94
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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.