Finding the Fourth Proportional to 673,861.57, 929,921.82 and 367,936.99
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Solution
The fourth proportional to 673,861.57, 929,921.82 and 367,936.99 is: 507,749.14
Step by Step Solution
- Step 1: Write the proportion equation
673,861.57 : 929,921.82 = 367,936.99 : x - Step 2: Convert to fraction form
673,861.57/929,921.82 = 367,936.99/x - Step 3: Cross multiply
673,861.57x = 929,921.82 × 367,936.99 - Step 4: Simplify right side
673,861.57x = 342,152,631,681.55 - Step 5: Solve for x
x = 342,152,631,681.55/673,861.57 - Step 6: Final answer
x = 507,749.14
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.