Finding the Fourth Proportional to 438,477.10, 657,496.95 and 201,552.10
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Solution
The fourth proportional to 438,477.10, 657,496.95 and 201,552.10 is: 302,227.62
Step by Step Solution
- Step 1: Write the proportion equation
438,477.10 : 657,496.95 = 201,552.10 : x - Step 2: Convert to fraction form
438,477.10/657,496.95 = 201,552.10/x - Step 3: Cross multiply
438,477.10x = 657,496.95 × 201,552.10 - Step 4: Simplify right side
438,477.10x = 132,519,891,016.10 - Step 5: Solve for x
x = 132,519,891,016.10/438,477.10 - Step 6: Final answer
x = 302,227.62
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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.