Finding the Fourth Proportional to 438,261.28, 657,118.48 and 201,299.84
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Solution
The fourth proportional to 438,261.28, 657,118.48 and 201,299.84 is: 301,824.16
Step by Step Solution
- Step 1: Write the proportion equation
438,261.28 : 657,118.48 = 201,299.84 : x - Step 2: Convert to fraction form
438,261.28/657,118.48 = 201,299.84/x - Step 3: Cross multiply
438,261.28x = 657,118.48 × 201,299.84 - Step 4: Simplify right side
438,261.28x = 132,277,844,885.04 - Step 5: Solve for x
x = 132,277,844,885.04/438,261.28 - Step 6: Final answer
x = 301,824.16
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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.