Finding the Fourth Proportional to 292,405.80, 438,608.70 and 167,989.80
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Solution
The fourth proportional to 292,405.80, 438,608.70 and 167,989.80 is: 251,984.70
Step by Step Solution
- Step 1: Write the proportion equation
292,405.80 : 438,608.70 = 167,989.80 : x - Step 2: Convert to fraction form
292,405.80/438,608.70 = 167,989.80/x - Step 3: Cross multiply
292,405.80x = 438,608.70 × 167,989.80 - Step 4: Simplify right side
292,405.80x = 73,681,787,791.26 - Step 5: Solve for x
x = 73,681,787,791.26/292,405.80 - Step 6: Final answer
x = 251,984.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.