Finding the Fourth Proportional to 347,957.71, 480,215.25 and 195,021.68
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Solution
The fourth proportional to 347,957.71, 480,215.25 and 195,021.68 is: 269,148.75
Step by Step Solution
- Step 1: Write the proportion equation
347,957.71 : 480,215.25 = 195,021.68 : x - Step 2: Convert to fraction form
347,957.71/480,215.25 = 195,021.68/x - Step 3: Cross multiply
347,957.71x = 480,215.25 × 195,021.68 - Step 4: Simplify right side
347,957.71x = 93,652,382,415.54 - Step 5: Solve for x
x = 93,652,382,415.54/347,957.71 - Step 6: Final answer
x = 269,148.75
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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.