Finding the Fourth Proportional to 292,195.74, 438,563.04 and 148,202.64
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Solution
The fourth proportional to 292,195.74, 438,563.04 and 148,202.64 is: 222,440.62
Step by Step Solution
- Step 1: Write the proportion equation
292,195.74 : 438,563.04 = 148,202.64 : x - Step 2: Convert to fraction form
292,195.74/438,563.04 = 148,202.64/x - Step 3: Cross multiply
292,195.74x = 438,563.04 × 148,202.64 - Step 4: Simplify right side
292,195.74x = 64,996,200,334.43 - Step 5: Solve for x
x = 64,996,200,334.43/292,195.74 - Step 6: Final answer
x = 222,440.62
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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.