Finding the Fourth Proportional to 186,800.18, 280,101.24 and 81,496.13
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Solution
The fourth proportional to 186,800.18, 280,101.24 and 81,496.13 is: 122,200.99
Step by Step Solution
- Step 1: Write the proportion equation
186,800.18 : 280,101.24 = 81,496.13 : x - Step 2: Convert to fraction form
186,800.18/280,101.24 = 81,496.13/x - Step 3: Cross multiply
186,800.18x = 280,101.24 × 81,496.13 - Step 4: Simplify right side
186,800.18x = 22,827,165,667.70 - Step 5: Solve for x
x = 22,827,165,667.70/186,800.18 - Step 6: Final answer
x = 122,200.99
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1.5x scale
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.