Finding the Fourth Proportional to 665,933.36, 918,991.08 and 364,127.12
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Solution
The fourth proportional to 665,933.36, 918,991.08 and 364,127.12 is: 502,497.09
Step by Step Solution
- Step 1: Write the proportion equation
665,933.36 : 918,991.08 = 364,127.12 : x - Step 2: Convert to fraction form
665,933.36/918,991.08 = 364,127.12/x - Step 3: Cross multiply
665,933.36x = 918,991.08 × 364,127.12 - Step 4: Simplify right side
665,933.36x = 334,629,575,266.09 - Step 5: Solve for x
x = 334,629,575,266.09/665,933.36 - Step 6: Final answer
x = 502,497.09
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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.