Finding the Fourth Proportional to 215,043.34, 296,769.94 and 119,551.63
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Solution
The fourth proportional to 215,043.34, 296,769.94 and 119,551.63 is: 164,986.88
Step by Step Solution
- Step 1: Write the proportion equation
215,043.34 : 296,769.94 = 119,551.63 : x - Step 2: Convert to fraction form
215,043.34/296,769.94 = 119,551.63/x - Step 3: Cross multiply
215,043.34x = 296,769.94 × 119,551.63 - Step 4: Simplify right side
215,043.34x = 35,479,329,464.24 - Step 5: Solve for x
x = 35,479,329,464.24/215,043.34 - Step 6: Final answer
x = 164,986.88
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1.5x scale
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.