Finding the Fourth Proportional to 193,762.68, 267,393.92 and 106,549.31
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Solution
The fourth proportional to 193,762.68, 267,393.92 and 106,549.31 is: 147,038.82
Step by Step Solution
- Step 1: Write the proportion equation
193,762.68 : 267,393.92 = 106,549.31 : x - Step 2: Convert to fraction form
193,762.68/267,393.92 = 106,549.31/x - Step 3: Cross multiply
193,762.68x = 267,393.92 × 106,549.31 - Step 4: Simplify right side
193,762.68x = 28,490,635,804.48 - Step 5: Solve for x
x = 28,490,635,804.48/193,762.68 - Step 6: Final answer
x = 147,038.82
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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.