Finding the Fourth Proportional to 343,881.09, 515,854.44 and 133,535.43
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Solution
The fourth proportional to 343,881.09, 515,854.44 and 133,535.43 is: 200,315.88
Step by Step Solution
- Step 1: Write the proportion equation
343,881.09 : 515,854.44 = 133,535.43 : x - Step 2: Convert to fraction form
343,881.09/515,854.44 = 133,535.43/x - Step 3: Cross multiply
343,881.09x = 515,854.44 × 133,535.43 - Step 4: Simplify right side
343,881.09x = 68,884,844,462.81 - Step 5: Solve for x
x = 68,884,844,462.81/343,881.09 - Step 6: Final answer
x = 200,315.88
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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.