Finding the Fourth Proportional to 279,709.97, 386,027.63 and 170,808.30
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Solution
The fourth proportional to 279,709.97, 386,027.63 and 170,808.30 is: 235,732.48
Step by Step Solution
- Step 1: Write the proportion equation
279,709.97 : 386,027.63 = 170,808.30 : x - Step 2: Convert to fraction form
279,709.97/386,027.63 = 170,808.30/x - Step 3: Cross multiply
279,709.97x = 386,027.63 × 170,808.30 - Step 4: Simplify right side
279,709.97x = 65,936,722,379.29 - Step 5: Solve for x
x = 65,936,722,379.29/279,709.97 - Step 6: Final answer
x = 235,732.48
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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.