Finding the Fourth Proportional to 279,251.91, 385,363.40 and 151,924.59
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Solution
The fourth proportional to 279,251.91, 385,363.40 and 151,924.59 is: 209,653.63
Step by Step Solution
- Step 1: Write the proportion equation
279,251.91 : 385,363.40 = 151,924.59 : x - Step 2: Convert to fraction form
279,251.91/385,363.40 = 151,924.59/x - Step 3: Cross multiply
279,251.91x = 385,363.40 × 151,924.59 - Step 4: Simplify right side
279,251.91x = 58,546,175,786.38 - Step 5: Solve for x
x = 58,546,175,786.38/279,251.91 - Step 6: Final answer
x = 209,653.63
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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.