Finding the Fourth Proportional to 535,427.01, 738,786.93 and 306,056.97
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Solution
The fourth proportional to 535,427.01, 738,786.93 and 306,056.97 is: 422,300.12
Step by Step Solution
- Step 1: Write the proportion equation
535,427.01 : 738,786.93 = 306,056.97 : x - Step 2: Convert to fraction form
535,427.01/738,786.93 = 306,056.97/x - Step 3: Cross multiply
535,427.01x = 738,786.93 × 306,056.97 - Step 4: Simplify right side
535,427.01x = 226,110,889,271.40 - Step 5: Solve for x
x = 226,110,889,271.40/535,427.01 - Step 6: Final answer
x = 422,300.12
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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.