Finding the Fourth Proportional to 272,295.25, 408,498.21 and 94,816.09
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Solution
The fourth proportional to 272,295.25, 408,498.21 and 94,816.09 is: 142,243.40
Step by Step Solution
- Step 1: Write the proportion equation
272,295.25 : 408,498.21 = 94,816.09 : x - Step 2: Convert to fraction form
272,295.25/408,498.21 = 94,816.09/x - Step 3: Cross multiply
272,295.25x = 408,498.21 × 94,816.09 - Step 4: Simplify right side
272,295.25x = 38,732,203,044.20 - Step 5: Solve for x
x = 38,732,203,044.20/272,295.25 - Step 6: Final answer
x = 142,243.40
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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.