Finding the Fourth Proportional to 76,215.98, 114,329.87 and 22,903.79
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Solution
The fourth proportional to 76,215.98, 114,329.87 and 22,903.79 is: 34,357.45
Step by Step Solution
- Step 1: Write the proportion equation
76,215.98 : 114,329.87 = 22,903.79 : x - Step 2: Convert to fraction form
76,215.98/114,329.87 = 22,903.79/x - Step 3: Cross multiply
76,215.98x = 114,329.87 × 22,903.79 - Step 4: Simplify right side
76,215.98x = 2,618,586,647.04 - Step 5: Solve for x
x = 2,618,586,647.04/76,215.98 - Step 6: Final answer
x = 34,357.45
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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.