Finding the Fourth Proportional to 331,005.15, 496,118.93 and 153,136.44
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Solution
The fourth proportional to 331,005.15, 496,118.93 and 153,136.44 is: 229,524.79
Step by Step Solution
- Step 1: Write the proportion equation
331,005.15 : 496,118.93 = 153,136.44 : x - Step 2: Convert to fraction form
331,005.15/496,118.93 = 153,136.44/x - Step 3: Cross multiply
331,005.15x = 496,118.93 × 153,136.44 - Step 4: Simplify right side
331,005.15x = 75,973,885,991.13 - Step 5: Solve for x
x = 75,973,885,991.13/331,005.15 - Step 6: Final answer
x = 229,524.79
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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.