Finding the Fourth Proportional to 407,386.33, 611,102.84 and 107,859.11
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Solution
The fourth proportional to 407,386.33, 611,102.84 and 107,859.11 is: 161,794.85
Step by Step Solution
- Step 1: Write the proportion equation
407,386.33 : 611,102.84 = 107,859.11 : x - Step 2: Convert to fraction form
407,386.33/611,102.84 = 107,859.11/x - Step 3: Cross multiply
407,386.33x = 611,102.84 × 107,859.11 - Step 4: Simplify right side
407,386.33x = 65,913,010,002.24 - Step 5: Solve for x
x = 65,913,010,002.24/407,386.33 - Step 6: Final answer
x = 161,794.85
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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.