Finding the Fourth Proportional to 433,136.85, 649,797.99 and 129,554.82
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Solution
The fourth proportional to 433,136.85, 649,797.99 and 129,554.82 is: 194,359.96
Step by Step Solution
- Step 1: Write the proportion equation
433,136.85 : 649,797.99 = 129,554.82 : x - Step 2: Convert to fraction form
433,136.85/649,797.99 = 129,554.82/x - Step 3: Cross multiply
433,136.85x = 649,797.99 × 129,554.82 - Step 4: Simplify right side
433,136.85x = 84,184,461,630.81 - Step 5: Solve for x
x = 84,184,461,630.81/433,136.85 - Step 6: Final answer
x = 194,359.96
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.