Finding the Fourth Proportional to 215,415.76, 297,283.56 and 119,928.52
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Solution
The fourth proportional to 215,415.76, 297,283.56 and 119,928.52 is: 165,506.82
Step by Step Solution
- Step 1: Write the proportion equation
215,415.76 : 297,283.56 = 119,928.52 : x - Step 2: Convert to fraction form
215,415.76/297,283.56 = 119,928.52/x - Step 3: Cross multiply
215,415.76x = 297,283.56 × 119,928.52 - Step 4: Simplify right side
215,415.76x = 35,652,777,371.13 - Step 5: Solve for x
x = 35,652,777,371.13/215,415.76 - Step 6: Final answer
x = 165,506.82
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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.