Finding the Fourth Proportional to 318,541.36, 478,107.68 and 160,880.52
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Solution
The fourth proportional to 318,541.36, 478,107.68 and 160,880.52 is: 241,470.09
Step by Step Solution
- Step 1: Write the proportion equation
318,541.36 : 478,107.68 = 160,880.52 : x - Step 2: Convert to fraction form
318,541.36/478,107.68 = 160,880.52/x - Step 3: Cross multiply
318,541.36x = 478,107.68 × 160,880.52 - Step 4: Simplify right side
318,541.36x = 76,918,212,174.39 - Step 5: Solve for x
x = 76,918,212,174.39/318,541.36 - Step 6: Final answer
x = 241,470.09
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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.