Finding the Fourth Proportional to 215,322.60, 297,141.14 and 119,828.44
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Solution
The fourth proportional to 215,322.60, 297,141.14 and 119,828.44 is: 165,360.99
Step by Step Solution
- Step 1: Write the proportion equation
215,322.60 : 297,141.14 = 119,828.44 : x - Step 2: Convert to fraction form
215,322.60/297,141.14 = 119,828.44/x - Step 3: Cross multiply
215,322.60x = 297,141.14 × 119,828.44 - Step 4: Simplify right side
215,322.60x = 35,605,959,266.02 - Step 5: Solve for x
x = 35,605,959,266.02/215,322.60 - Step 6: Final answer
x = 165,360.99
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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.