Finding the Fourth Proportional to 360,122.51, 496,955.70 and 198,974.09
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Solution
The fourth proportional to 360,122.51, 496,955.70 and 198,974.09 is: 274,576.86
Step by Step Solution
- Step 1: Write the proportion equation
360,122.51 : 496,955.70 = 198,974.09 : x - Step 2: Convert to fraction form
360,122.51/496,955.70 = 198,974.09/x - Step 3: Cross multiply
360,122.51x = 496,955.70 × 198,974.09 - Step 4: Simplify right side
360,122.51x = 98,881,308,177.81 - Step 5: Solve for x
x = 98,881,308,177.81/360,122.51 - Step 6: Final answer
x = 274,576.86
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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.