Finding the Fourth Proportional to 479,102.09, 718,724.91 and 154,781.82
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Solution
The fourth proportional to 479,102.09, 718,724.91 and 154,781.82 is: 232,195.92
Step by Step Solution
- Step 1: Write the proportion equation
479,102.09 : 718,724.91 = 154,781.82 : x - Step 2: Convert to fraction form
479,102.09/718,724.91 = 154,781.82/x - Step 3: Cross multiply
479,102.09x = 718,724.91 × 154,781.82 - Step 4: Simplify right side
479,102.09x = 111,245,549,649.14 - Step 5: Solve for x
x = 111,245,549,649.14/479,102.09 - Step 6: Final answer
x = 232,195.92
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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.