Finding the Fourth Proportional to 203,233.14, 280,508.40 and 135,252.99
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Solution
The fourth proportional to 203,233.14, 280,508.40 and 135,252.99 is: 186,680.18
Step by Step Solution
- Step 1: Write the proportion equation
203,233.14 : 280,508.40 = 135,252.99 : x - Step 2: Convert to fraction form
203,233.14/280,508.40 = 135,252.99/x - Step 3: Cross multiply
203,233.14x = 280,508.40 × 135,252.99 - Step 4: Simplify right side
203,233.14x = 37,939,599,820.12 - Step 5: Solve for x
x = 37,939,599,820.12/203,233.14 - Step 6: Final answer
x = 186,680.18
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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.