Finding the Fourth Proportional to 299,191.14, 412,842.88 and 171,866.70
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Solution
The fourth proportional to 299,191.14, 412,842.88 and 171,866.70 is: 237,152.55
Step by Step Solution
- Step 1: Write the proportion equation
299,191.14 : 412,842.88 = 171,866.70 : x - Step 2: Convert to fraction form
299,191.14/412,842.88 = 171,866.70/x - Step 3: Cross multiply
299,191.14x = 412,842.88 × 171,866.70 - Step 4: Simplify right side
299,191.14x = 70,953,940,910.21 - Step 5: Solve for x
x = 70,953,940,910.21/299,191.14 - Step 6: Final answer
x = 237,152.55
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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.