Finding the Fourth Proportional to 186,970.10, 280,552.35 and 81,799.70
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Solution
The fourth proportional to 186,970.10, 280,552.35 and 81,799.70 is: 122,742.08
Step by Step Solution
- Step 1: Write the proportion equation
186,970.10 : 280,552.35 = 81,799.70 : x - Step 2: Convert to fraction form
186,970.10/280,552.35 = 81,799.70/x - Step 3: Cross multiply
186,970.10x = 280,552.35 × 81,799.70 - Step 4: Simplify right side
186,970.10x = 22,949,098,064.30 - Step 5: Solve for x
x = 22,949,098,064.30/186,970.10 - Step 6: Final answer
x = 122,742.08
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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.