Finding the Fourth Proportional to 237,532.50, 327,795.26 and 128,637.99
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Solution
The fourth proportional to 237,532.50, 327,795.26 and 128,637.99 is: 177,520.65
Step by Step Solution
- Step 1: Write the proportion equation
237,532.50 : 327,795.26 = 128,637.99 : x - Step 2: Convert to fraction form
237,532.50/327,795.26 = 128,637.99/x - Step 3: Cross multiply
237,532.50x = 327,795.26 × 128,637.99 - Step 4: Simplify right side
237,532.50x = 42,166,922,734.74 - Step 5: Solve for x
x = 42,166,922,734.74/237,532.50 - Step 6: Final answer
x = 177,520.65
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1.5x scale
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.