Finding the Fourth Proportional to 270,136.08, 372,866.76 and 157,003.92
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Solution
The fourth proportional to 270,136.08, 372,866.76 and 157,003.92 is: 216,711.31
Step by Step Solution
- Step 1: Write the proportion equation
270,136.08 : 372,866.76 = 157,003.92 : x - Step 2: Convert to fraction form
270,136.08/372,866.76 = 157,003.92/x - Step 3: Cross multiply
270,136.08x = 372,866.76 × 157,003.92 - Step 4: Simplify right side
270,136.08x = 58,541,542,957.70 - Step 5: Solve for x
x = 58,541,542,957.70/270,136.08 - Step 6: Final answer
x = 216,711.31
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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.