Finding the Fourth Proportional to 272,430.37, 408,628.95 and 130,376.62
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Solution
The fourth proportional to 272,430.37, 408,628.95 and 130,376.62 is: 195,556.98
Step by Step Solution
- Step 1: Write the proportion equation
272,430.37 : 408,628.95 = 130,376.62 : x - Step 2: Convert to fraction form
272,430.37/408,628.95 = 130,376.62/x - Step 3: Cross multiply
272,430.37x = 408,628.95 × 130,376.62 - Step 4: Simplify right side
272,430.37x = 53,275,661,335.15 - Step 5: Solve for x
x = 53,275,661,335.15/272,430.37 - Step 6: Final answer
x = 195,556.98
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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.