Finding the Fourth Proportional to 237,955.26, 328,378.24 and 137,353.26
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Solution
The fourth proportional to 237,955.26, 328,378.24 and 137,353.26 is: 189,547.49
Step by Step Solution
- Step 1: Write the proportion equation
237,955.26 : 328,378.24 = 137,353.26 : x - Step 2: Convert to fraction form
237,955.26/328,378.24 = 137,353.26/x - Step 3: Cross multiply
237,955.26x = 328,378.24 × 137,353.26 - Step 4: Simplify right side
237,955.26x = 45,103,821,777.06 - Step 5: Solve for x
x = 45,103,821,777.06/237,955.26 - Step 6: Final answer
x = 189,547.49
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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.