Finding the Fourth Proportional to 279,027.99, 384,407.69 and 193,997.43
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Solution
The fourth proportional to 279,027.99, 384,407.69 and 193,997.43 is: 267,263.88
Step by Step Solution
- Step 1: Write the proportion equation
279,027.99 : 384,407.69 = 193,997.43 : x - Step 2: Convert to fraction form
279,027.99/384,407.69 = 193,997.43/x - Step 3: Cross multiply
279,027.99x = 384,407.69 × 193,997.43 - Step 4: Simplify right side
279,027.99x = 74,574,102,962.25 - Step 5: Solve for x
x = 74,574,102,962.25/279,027.99 - Step 6: Final answer
x = 267,263.88
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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.