Finding the Fourth Proportional to 481,044.36, 721,353.24 and 256,362.92
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Solution
The fourth proportional to 481,044.36, 721,353.24 and 256,362.92 is: 384,430.70
Step by Step Solution
- Step 1: Write the proportion equation
481,044.36 : 721,353.24 = 256,362.92 : x - Step 2: Convert to fraction form
481,044.36/721,353.24 = 256,362.92/x - Step 3: Cross multiply
481,044.36x = 721,353.24 × 256,362.92 - Step 4: Simplify right side
481,044.36x = 184,928,219,351.10 - Step 5: Solve for x
x = 184,928,219,351.10/481,044.36 - Step 6: Final answer
x = 384,430.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.