Finding the Fourth Proportional to 192,918.66, 266,139.12 and 124,958.31
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Solution
The fourth proportional to 192,918.66, 266,139.12 and 124,958.31 is: 172,385.06
Step by Step Solution
- Step 1: Write the proportion equation
192,918.66 : 266,139.12 = 124,958.31 : x - Step 2: Convert to fraction form
192,918.66/266,139.12 = 124,958.31/x - Step 3: Cross multiply
192,918.66x = 266,139.12 × 124,958.31 - Step 4: Simplify right side
192,918.66x = 33,256,294,660.09 - Step 5: Solve for x
x = 33,256,294,660.09/192,918.66 - Step 6: Final answer
x = 172,385.06
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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.