Finding the Fourth Proportional to 307,581.74, 461,330.07 and 82,955.75
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Solution
The fourth proportional to 307,581.74, 461,330.07 and 82,955.75 is: 124,422.14
Step by Step Solution
- Step 1: Write the proportion equation
307,581.74 : 461,330.07 = 82,955.75 : x - Step 2: Convert to fraction form
307,581.74/461,330.07 = 82,955.75/x - Step 3: Cross multiply
307,581.74x = 461,330.07 × 82,955.75 - Step 4: Simplify right side
307,581.74x = 38,269,979,336.67 - Step 5: Solve for x
x = 38,269,979,336.67/307,581.74 - Step 6: Final answer
x = 124,422.14
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.