Finding the Fourth Proportional to 535,308.55, 738,722.34 and 305,935.99
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Solution
The fourth proportional to 535,308.55, 738,722.34 and 305,935.99 is: 422,189.69
Step by Step Solution
- Step 1: Write the proportion equation
535,308.55 : 738,722.34 = 305,935.99 : x - Step 2: Convert to fraction form
535,308.55/738,722.34 = 305,935.99/x - Step 3: Cross multiply
535,308.55x = 738,722.34 × 305,935.99 - Step 4: Simplify right side
535,308.55x = 226,001,748,893.34 - Step 5: Solve for x
x = 226,001,748,893.34/535,308.55 - Step 6: Final answer
x = 422,189.69
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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.