Finding the Fourth Proportional to 190,269.97, 285,418.25 and 76,417.79
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Solution
The fourth proportional to 190,269.97, 285,418.25 and 76,417.79 is: 114,632.02
Step by Step Solution
- Step 1: Write the proportion equation
190,269.97 : 285,418.25 = 76,417.79 : x - Step 2: Convert to fraction form
190,269.97/285,418.25 = 76,417.79/x - Step 3: Cross multiply
190,269.97x = 285,418.25 × 76,417.79 - Step 4: Simplify right side
190,269.97x = 21,811,030,463.58 - Step 5: Solve for x
x = 21,811,030,463.58/190,269.97 - Step 6: Final answer
x = 114,632.02
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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.