Finding the Fourth Proportional to 348,898.78, 481,491.94 and 195,963.88
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Solution
The fourth proportional to 348,898.78, 481,491.94 and 195,963.88 is: 270,436.68
Step by Step Solution
- Step 1: Write the proportion equation
348,898.78 : 481,491.94 = 195,963.88 : x - Step 2: Convert to fraction form
348,898.78/481,491.94 = 195,963.88/x - Step 3: Cross multiply
348,898.78x = 481,491.94 × 195,963.88 - Step 4: Simplify right side
348,898.78x = 94,355,028,751.13 - Step 5: Solve for x
x = 94,355,028,751.13/348,898.78 - Step 6: Final answer
x = 270,436.68
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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.