Finding the Fourth Proportional to 180,668.68, 270,905.28 and 143,468.08
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Solution
The fourth proportional to 180,668.68, 270,905.28 and 143,468.08 is: 215,124.51
Step by Step Solution
- Step 1: Write the proportion equation
180,668.68 : 270,905.28 = 143,468.08 : x - Step 2: Convert to fraction form
180,668.68/270,905.28 = 143,468.08/x - Step 3: Cross multiply
180,668.68x = 270,905.28 × 143,468.08 - Step 4: Simplify right side
180,668.68x = 38,866,260,383.46 - Step 5: Solve for x
x = 38,866,260,383.46/180,668.68 - Step 6: Final answer
x = 215,124.51
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.