Finding the Fourth Proportional to 188,422.91, 260,068.32 and 107,896.66
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Solution
The fourth proportional to 188,422.91, 260,068.32 and 107,896.66 is: 148,922.99
Step by Step Solution
- Step 1: Write the proportion equation
188,422.91 : 260,068.32 = 107,896.66 : x - Step 2: Convert to fraction form
188,422.91/260,068.32 = 107,896.66/x - Step 3: Cross multiply
188,422.91x = 260,068.32 × 107,896.66 - Step 4: Simplify right side
188,422.91x = 28,060,502,449.64 - Step 5: Solve for x
x = 28,060,502,449.64/188,422.91 - Step 6: Final answer
x = 148,922.99
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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.