Finding the Fourth Proportional to 347,077.08, 478,964.99 and 194,114.66
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Solution
The fourth proportional to 347,077.08, 478,964.99 and 194,114.66 is: 267,877.45
Step by Step Solution
- Step 1: Write the proportion equation
347,077.08 : 478,964.99 = 194,114.66 : x - Step 2: Convert to fraction form
347,077.08/478,964.99 = 194,114.66/x - Step 3: Cross multiply
347,077.08x = 478,964.99 × 194,114.66 - Step 4: Simplify right side
347,077.08x = 92,974,122,820.36 - Step 5: Solve for x
x = 92,974,122,820.36/347,077.08 - Step 6: Final answer
x = 267,877.45
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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.