Finding the Fourth Proportional to 397,335.12, 596,102.04 and 131,110.80
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Solution
The fourth proportional to 397,335.12, 596,102.04 and 131,110.80 is: 196,698.99
Step by Step Solution
- Step 1: Write the proportion equation
397,335.12 : 596,102.04 = 131,110.80 : x - Step 2: Convert to fraction form
397,335.12/596,102.04 = 131,110.80/x - Step 3: Cross multiply
397,335.12x = 596,102.04 × 131,110.80 - Step 4: Simplify right side
397,335.12x = 78,155,415,346.03 - Step 5: Solve for x
x = 78,155,415,346.03/397,335.12 - Step 6: Final answer
x = 196,698.99
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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.