Finding the Fourth Proportional to 520,350.80, 780,466.58 and 136,136.75
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Solution
The fourth proportional to 520,350.80, 780,466.58 and 136,136.75 is: 204,189.53
Step by Step Solution
- Step 1: Write the proportion equation
520,350.80 : 780,466.58 = 136,136.75 : x - Step 2: Convert to fraction form
520,350.80/780,466.58 = 136,136.75/x - Step 3: Cross multiply
520,350.80x = 780,466.58 × 136,136.75 - Step 4: Simplify right side
520,350.80x = 106,250,183,684.82 - Step 5: Solve for x
x = 106,250,183,684.82/520,350.80 - Step 6: Final answer
x = 204,189.53
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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.