Finding the Fourth Proportional to 299,089.08, 412,728.37 and 178,227.68
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Solution
The fourth proportional to 299,089.08, 412,728.37 and 178,227.68 is: 245,945.51
Step by Step Solution
- Step 1: Write the proportion equation
299,089.08 : 412,728.37 = 178,227.68 : x - Step 2: Convert to fraction form
299,089.08/412,728.37 = 178,227.68/x - Step 3: Cross multiply
299,089.08x = 412,728.37 × 178,227.68 - Step 4: Simplify right side
299,089.08x = 73,559,617,346.07 - Step 5: Solve for x
x = 73,559,617,346.07/299,089.08 - Step 6: Final answer
x = 245,945.51
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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.