Finding the Fourth Proportional to 188,482.08, 260,092.80 and 107,910.24
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Solution
The fourth proportional to 188,482.08, 260,092.80 and 107,910.24 is: 148,908.99
Step by Step Solution
- Step 1: Write the proportion equation
188,482.08 : 260,092.80 = 107,910.24 : x - Step 2: Convert to fraction form
188,482.08/260,092.80 = 107,910.24/x - Step 3: Cross multiply
188,482.08x = 260,092.80 × 107,910.24 - Step 4: Simplify right side
188,482.08x = 28,066,676,470.27 - Step 5: Solve for x
x = 28,066,676,470.27/188,482.08 - Step 6: Final answer
x = 148,908.99
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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.