Finding the Fourth Proportional to 279,607.36, 385,896.21 and 164,918.44
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Solution
The fourth proportional to 279,607.36, 385,896.21 and 164,918.44 is: 227,609.89
Step by Step Solution
- Step 1: Write the proportion equation
279,607.36 : 385,896.21 = 164,918.44 : x - Step 2: Convert to fraction form
279,607.36/385,896.21 = 164,918.44/x - Step 3: Cross multiply
279,607.36x = 385,896.21 × 164,918.44 - Step 4: Simplify right side
279,607.36x = 63,641,400,955.11 - Step 5: Solve for x
x = 63,641,400,955.11/279,607.36 - Step 6: Final answer
x = 227,609.89
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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.