Finding the Fourth Proportional to 279,260.72, 385,368.36 and 151,936.44
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Solution
The fourth proportional to 279,260.72, 385,368.36 and 151,936.44 is: 209,666.07
Step by Step Solution
- Step 1: Write the proportion equation
279,260.72 : 385,368.36 = 151,936.44 : x - Step 2: Convert to fraction form
279,260.72/385,368.36 = 151,936.44/x - Step 3: Cross multiply
279,260.72x = 385,368.36 × 151,936.44 - Step 4: Simplify right side
279,260.72x = 58,551,496,707.04 - Step 5: Solve for x
x = 58,551,496,707.04/279,260.72 - Step 6: Final answer
x = 209,666.07
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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.