Finding the Fourth Proportional to 237,810.94, 328,170.36 and 130,378.62
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Solution
The fourth proportional to 237,810.94, 328,170.36 and 130,378.62 is: 179,917.71
Step by Step Solution
- Step 1: Write the proportion equation
237,810.94 : 328,170.36 = 130,378.62 : x - Step 2: Convert to fraction form
237,810.94/328,170.36 = 130,378.62/x - Step 3: Cross multiply
237,810.94x = 328,170.36 × 130,378.62 - Step 4: Simplify right side
237,810.94x = 42,786,398,661.70 - Step 5: Solve for x
x = 42,786,398,661.70/237,810.94 - Step 6: Final answer
x = 179,917.71
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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.