Finding the Fourth Proportional to 535,388.01, 738,822.12 and 305,930.70
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Solution
The fourth proportional to 535,388.01, 738,822.12 and 305,930.70 is: 422,176.75
Step by Step Solution
- Step 1: Write the proportion equation
535,388.01 : 738,822.12 = 305,930.70 : x - Step 2: Convert to fraction form
535,388.01/738,822.12 = 305,930.70/x - Step 3: Cross multiply
535,388.01x = 738,822.12 × 305,930.70 - Step 4: Simplify right side
535,388.01x = 226,028,368,347.08 - Step 5: Solve for x
x = 226,028,368,347.08/535,388.01 - Step 6: Final answer
x = 422,176.75
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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.