Finding the Fourth Proportional to 330,896.84, 453,663.35 and 324,918.09
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Solution
The fourth proportional to 330,896.84, 453,663.35 and 324,918.09 is: 445,466.42
Step by Step Solution
- Step 1: Write the proportion equation
330,896.84 : 453,663.35 = 324,918.09 : x - Step 2: Convert to fraction form
330,896.84/453,663.35 = 324,918.09/x - Step 3: Cross multiply
330,896.84x = 453,663.35 × 324,918.09 - Step 4: Simplify right side
330,896.84x = 147,403,427,560.41 - Step 5: Solve for x
x = 147,403,427,560.41/330,896.84 - Step 6: Final answer
x = 445,466.42
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.