Finding the Fourth Proportional to 401,324.74, 602,049.14 and 135,064.38
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Solution
The fourth proportional to 401,324.74, 602,049.14 and 135,064.38 is: 202,617.45
Step by Step Solution
- Step 1: Write the proportion equation
401,324.74 : 602,049.14 = 135,064.38 : x - Step 2: Convert to fraction form
401,324.74/602,049.14 = 135,064.38/x - Step 3: Cross multiply
401,324.74x = 602,049.14 × 135,064.38 - Step 4: Simplify right side
401,324.74x = 81,315,393,823.63 - Step 5: Solve for x
x = 81,315,393,823.63/401,324.74 - Step 6: Final answer
x = 202,617.45
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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.