Finding the Fourth Proportional to 237,215.96, 327,366.20 and 129,785.99
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Solution
The fourth proportional to 237,215.96, 327,366.20 and 129,785.99 is: 179,109.14
Step by Step Solution
- Step 1: Write the proportion equation
237,215.96 : 327,366.20 = 129,785.99 : x - Step 2: Convert to fraction form
237,215.96/327,366.20 = 129,785.99/x - Step 3: Cross multiply
237,215.96x = 327,366.20 × 129,785.99 - Step 4: Simplify right side
237,215.96x = 42,487,545,710.61 - Step 5: Solve for x
x = 42,487,545,710.61/237,215.96 - Step 6: Final answer
x = 179,109.14
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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.