Finding the Fourth Proportional to 237,421.84, 327,629.66 and 129,971.28
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Solution
The fourth proportional to 237,421.84, 327,629.66 and 129,971.28 is: 179,353.53
Step by Step Solution
- Step 1: Write the proportion equation
237,421.84 : 327,629.66 = 129,971.28 : x - Step 2: Convert to fraction form
237,421.84/327,629.66 = 129,971.28/x - Step 3: Cross multiply
237,421.84x = 327,629.66 × 129,971.28 - Step 4: Simplify right side
237,421.84x = 42,582,446,276.16 - Step 5: Solve for x
x = 42,582,446,276.16/237,421.84 - Step 6: Final answer
x = 179,353.53
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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.