Finding the Fourth Proportional to 320,065.62, 480,122.93 and 95,408.88
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Solution
The fourth proportional to 320,065.62, 480,122.93 and 95,408.88 is: 143,120.62
Step by Step Solution
- Step 1: Write the proportion equation
320,065.62 : 480,122.93 = 95,408.88 : x - Step 2: Convert to fraction form
320,065.62/480,122.93 = 95,408.88/x - Step 3: Cross multiply
320,065.62x = 480,122.93 × 95,408.88 - Step 4: Simplify right side
320,065.62x = 45,807,991,252.14 - Step 5: Solve for x
x = 45,807,991,252.14/320,065.62 - Step 6: Final answer
x = 143,120.62
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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.