Finding the Fourth Proportional to 237,405.09, 327,617.95 and 128,509.50
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Solution
The fourth proportional to 237,405.09, 327,617.95 and 128,509.50 is: 177,342.53
Step by Step Solution
- Step 1: Write the proportion equation
237,405.09 : 327,617.95 = 128,509.50 : x - Step 2: Convert to fraction form
237,405.09/327,617.95 = 128,509.50/x - Step 3: Cross multiply
237,405.09x = 327,617.95 × 128,509.50 - Step 4: Simplify right side
237,405.09x = 42,102,018,945.53 - Step 5: Solve for x
x = 42,102,018,945.53/237,405.09 - Step 6: Final answer
x = 177,342.53
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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.