Finding the Fourth Proportional to 347,030.63, 478,898.93 and 194,067.09
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Solution
The fourth proportional to 347,030.63, 478,898.93 and 194,067.09 is: 267,810.72
Step by Step Solution
- Step 1: Write the proportion equation
347,030.63 : 478,898.93 = 194,067.09 : x - Step 2: Convert to fraction form
347,030.63/478,898.93 = 194,067.09/x - Step 3: Cross multiply
347,030.63x = 478,898.93 × 194,067.09 - Step 4: Simplify right side
347,030.63x = 92,938,522,234.38 - Step 5: Solve for x
x = 92,938,522,234.38/347,030.63 - Step 6: Final answer
x = 267,810.72
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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.