Finding the Fourth Proportional to 226,320.44, 312,287.52 and 130,808.72
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Solution
The fourth proportional to 226,320.44, 312,287.52 and 130,808.72 is: 180,495.99
Step by Step Solution
- Step 1: Write the proportion equation
226,320.44 : 312,287.52 = 130,808.72 : x - Step 2: Convert to fraction form
226,320.44/312,287.52 = 130,808.72/x - Step 3: Cross multiply
226,320.44x = 312,287.52 × 130,808.72 - Step 4: Simplify right side
226,320.44x = 40,849,930,763.17 - Step 5: Solve for x
x = 40,849,930,763.17/226,320.44 - Step 6: Final answer
x = 180,495.99
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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.