Finding the Fourth Proportional to 351,877.14, 485,655.48 and 200,974.14
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Solution
The fourth proportional to 351,877.14, 485,655.48 and 200,974.14 is: 277,381.45
Step by Step Solution
- Step 1: Write the proportion equation
351,877.14 : 485,655.48 = 200,974.14 : x - Step 2: Convert to fraction form
351,877.14/485,655.48 = 200,974.14/x - Step 3: Cross multiply
351,877.14x = 485,655.48 × 200,974.14 - Step 4: Simplify right side
351,877.14x = 97,604,192,429.29 - Step 5: Solve for x
x = 97,604,192,429.29/351,877.14 - Step 6: Final answer
x = 277,381.45
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.