Finding the Fourth Proportional to 279,027.26, 385,070.80 and 158,170.91
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Solution
The fourth proportional to 279,027.26, 385,070.80 and 158,170.91 is: 218,283.32
Step by Step Solution
- Step 1: Write the proportion equation
279,027.26 : 385,070.80 = 158,170.91 : x - Step 2: Convert to fraction form
279,027.26/385,070.80 = 158,170.91/x - Step 3: Cross multiply
279,027.26x = 385,070.80 × 158,170.91 - Step 4: Simplify right side
279,027.26x = 60,906,996,529.65 - Step 5: Solve for x
x = 60,906,996,529.65/279,027.26 - Step 6: Final answer
x = 218,283.32
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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.