Finding the Fourth Proportional to 215,228.99, 297,015.77 and 119,733.63
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Solution
The fourth proportional to 215,228.99, 297,015.77 and 119,733.63 is: 165,232.28
Step by Step Solution
- Step 1: Write the proportion equation
215,228.99 : 297,015.77 = 119,733.63 : x - Step 2: Convert to fraction form
215,228.99/297,015.77 = 119,733.63/x - Step 3: Cross multiply
215,228.99x = 297,015.77 × 119,733.63 - Step 4: Simplify right side
215,228.99x = 35,562,775,710.68 - Step 5: Solve for x
x = 35,562,775,710.68/215,228.99 - Step 6: Final answer
x = 165,232.28
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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.