Finding the Fourth Proportional to 215,069.12, 296,802.24 and 119,579.84
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Solution
The fourth proportional to 215,069.12, 296,802.24 and 119,579.84 is: 165,023.99
Step by Step Solution
- Step 1: Write the proportion equation
215,069.12 : 296,802.24 = 119,579.84 : x - Step 2: Convert to fraction form
215,069.12/296,802.24 = 119,579.84/x - Step 3: Cross multiply
215,069.12x = 296,802.24 × 119,579.84 - Step 4: Simplify right side
215,069.12x = 35,491,564,370.84 - Step 5: Solve for x
x = 35,491,564,370.84/215,069.12 - Step 6: Final answer
x = 165,023.99
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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.