Finding the Fourth Proportional to 266,278.16, 367,461.99 and 145,419.48
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Solution
The fourth proportional to 266,278.16, 367,461.99 and 145,419.48 is: 200,677.86
Step by Step Solution
- Step 1: Write the proportion equation
266,278.16 : 367,461.99 = 145,419.48 : x - Step 2: Convert to fraction form
266,278.16/367,461.99 = 145,419.48/x - Step 3: Cross multiply
266,278.16x = 367,461.99 × 145,419.48 - Step 4: Simplify right side
266,278.16x = 53,436,131,505.57 - Step 5: Solve for x
x = 53,436,131,505.57/266,278.16 - Step 6: Final answer
x = 200,677.86
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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.